Abstract: A control apparatus for an internal combustion engine having a means for performing a model calculation to calculate, as an exhaust temperature calculation value, the temperature of exhaust gas in an exhaust branch tube at the time of starting an engine, using a model representing the temperature behavior of the exhaust gas in the exhaust branch tube during stop of an engine; and an exhaust temperature actual measurement value output means for detecting the temperature of exhaust gas in the exhaust branch tube, and outputting the detected temperature as an exhaust temperature actual measurement value, wherein the model includes at least one parameter.

Abstract: A start-stop module for a vehicle can include a capacitor, one or more switches and a controller. The switches can be configured to connect the capacitor in parallel or in series with a battery of the vehicle. The controller can receive an input voltage having a magnitude based on a connection between the capacitor and the battery, and output a desired voltage that is appropriate for operating accessory loads of the vehicle. The controller can control the switches to switch between a standby mode and a cranking mode. The capacitor is in parallel with the battery in standby mode and in series with the battery in cranking mode. The controller can switch to the cranking mode when the engine is about to be restarted and return to standby mode after the engine has been restarted and when the battery voltage reaches the desired voltage for the accessory loads.

Abstract: An electronic control device is applied to an internal combustion engine including an engine driving pump, circulates lubricant by use of a driving force of the internal combustion engine, and reduces that driving load of the pump which works on the internal combustion engine, by executing a low-pressure control to limit a circulation amount of the lubricant when demand for the lubricant is small. Further, when a predetermined automatic stop condition is established, an engine operation is stopped automatically, and when a predetermined restart condition is established during the automatic stop, the internal combustion engine is restarted. Further, the execution of the low-pressure control is prohibited at the time of starting the internal combustion engine along with an operation of an ignition switch, but the execution of the low-pressure control is allowed at the time of restarting the internal combustion engine.

Abstract: A vehicle and a method of controlling a dynamometer mode operation of a vehicle that includes requesting the dynamometer mode; monitoring for at least one non-dynamometer vehicle operating condition; if at least one of the non-dynamometer vehicle operating conditions is detected, prohibiting dynamometer mode; and if none of the non-dynamometer vehicle operating conditions is detected, operating the vehicle in dynamometer mode.

Abstract: A system includes a sump, a pump having a steady-state speed, a fluid component that receives the fluid from the fluid pump, and a controller. The controller detects a soak condition of the system in which the pump load is low as fluid is moved into vacated fluid passages. The steady-state speed of the pump is temporarily increased by adding a calibrated overspeed value to the steady-state speed, for a calibrated duration. The controller reduces the pump speed to the steady-state speed after the calibrated duration has elapsed. A method includes detecting the soak condition and temporarily increasing the steady-state speed via the controller by adding the calibrated overspeed value to the steady-state speed, for a calibrated duration, when the soak condition is detected. A control system includes a processor and storage medium having instructions embodying the method, with detection of the soak condition provided via measurement of fluid temperature.

Abstract: A torque management strategy for an HEV having an engine operating with a fixed throttle position to better manage NVH while the vehicle is stationary or decelerating and the engine is generating more torque than a requested torque uses excess engine torque to charge the battery until the requested torque is below a torque loss threshold. Partial fuel injector cut off is avoided to reduce or eliminate associated NVH by adjusting a misfire torque limit to the expected or estimated engine torque produced during operation at the fixed throttle position until the requested torque results in complete fuel cut off to all cylinders.

Abstract: A system and method for improving engine starting and stopping is described. In one example, turbine vanes are adjusted to increase engine exhaust backpressure to reduce engine stopping time and to limit engine speed overshoot during engine starting. The system and method may reduce engine emissions and improve a vehicle driving experience.

Abstract: A stop/start vehicle includes an engine and a stop/start system that selectively prevents an auto stop or auto start of the engine in response to a detected vehicle proximity and direction of travel relative to an emergency vehicle. The stop/start system may be programmed to prevent an auto stop of the engine in response to a detected proximity to an emergency vehicle where the emergency vehicle is traveling in the same direction as the stop/start vehicle, or in response to a detected proximity to an emergency vehicle where the stop/start vehicle is located within an intersection. The stop start system may also be programmed to prevent an auto start of the engine in response to the engine being stopped, and further in response to a detected proximity to an emergency vehicle where the emergency vehicle is traveling in cross traffic relative to the stop/start vehicle.

Abstract: The present disclosure provides a method of controlling an automatic engine stop of an automotive system, during a coasting phase. A dynamic speed threshold is calculated as a minimum value of a plurality of dynamic speed values. Each dynamic speed value is calculated as a function of an automotive system parameter such as a steering wheel angle, a steering wheel angle rate, a wheel speed difference, an antilock braking system status, or an electronic stability control status (p5) and/or a road condition such as road grade. The automatic engine stop is enabled when a vehicle speed is lower than the dynamic speed threshold.

Abstract: Disclosed is a vehicle control apparatus which can prevent the deterioration of drivability. The ECU can set a control accelerator opening degree to be converted when a control permission condition is established. The control accelerator opening degree is equal to or larger than an accelerator lower limit which is larger than an idle determination value for determining an automatic stopping of an engine by an eco-run. The control accelerator opening degree thus set can prevent the drivability from being deteriorated without the automatic stopping of the engine being caused even if the accelerator opening degree is converted to reduce the torque of the engine with the establishment of the control permission condition.

Abstract: In one aspect, a digital engine control system for an aircraft engine is provided. The control system includes a selection unit, the selection unit including a monitoring module configured to determine a measurement of the speed of rotation of the engine from the output signal from one or more protection sensors and to compare the or each speed measurement determined by the selection unit with speed measurements supplied by electronic control units to determine an operating state of each electronic control unit.

Abstract: A method for exiting the vehicle transport mode including placing the vehicle ignition in a predetermined position, monitoring the fuel level and exiting the vehicle transport mode when the fuel level exceeds a predetermined threshold. The method may also include the step of monitoring the inclination angle of the vehicle and maintaining the vehicle in the vehicle transport mode when the inclination angle exceeds a predetermined threshold.

Abstract: A vehicle control system includes an alternator configured to generate power by driven by torque transmitted from an engine as a power source of a vehicle and capable of adjusting a power generation amount, wherein the power generation amount of the alternator is controlled based on physical amounts which change in accordance with an accelerator operation of a driver while a fuel cut control, which stops a supply of a fuel to the engine, is being performed during traveling.

Abstract: The invention relates to an engine operation start control device of a hybrid vehicle comprising a power output device having an internal combustion engine and an electric motor. In this hybrid vehicle, an intermittent control for intermittently operating the engine can be performed and when the operation of the engine is started during the intermittent control being performed, a cranking of the engine is performed until the engine speed reaches a target engine speed. According to the invention, in case that the operation of the engine is started when the speed of the hybrid vehicle is higher than or equal to a predetermined speed and a power required for the power output device is larger than or equal to a predetermined power, the engine speed, which increases as the speed of the hybrid vehicle increases, is set as the target engine speed.

Abstract: A motor vehicle has a drive device, a control device for shutting down the drive device, a detection device for monitoring a presence of a person in the motor vehicle and a switching device for shutting down at least one predetermined electrical load. The control device is designed to shut down the drive device if the detection device signals that the person is leaving or has left the motor vehicle. The switching device is designed so that, following the shutdown of the drive device, it initially continues to operate the at least one predetermined load if said load was in operation at the time of the shutdown, and shuts it down only if a predetermined additional shutdown criterion is met.

Abstract: A control device for a vehicle configured to automatically stop an engine while the vehicle is running, the control device includes: an engine stop request outputted in accordance with an operation of a driver, and an engine stop prohibition request outputted based on a driving state of the vehicle which are independent requests, the higher-priority engine stop request being preferentially performed when both the requests are simultaneously outputted, and the engine stop prohibition request being withdrawn when the engine stop is performed by the higher-priority engine stop request.

Abstract: The present disclosure provides an in-vehicle informing device equipped in a vehicle including an idle stop system so that a driver is prevented from mistaking an engine stop state by the idle stop system for the engine stop state by an OFF position of an ignition switch. The device first determines whether an engine is automatically stopped by the idle stop system. The device determines whether a stop state of the vehicle corresponds to specific drive suspending condition when the engine is automatically stopping by the idle stop system. The device informs the driver that the engine is automatically stopped by the idle reduction function, utilizing an information giving portion equipped in the vehicle when the driver is judged as in the drive suspending state.

Abstract: Method for estimating the negative pressure in a motor vehicle brake force booster, and a stop/start control device is disclosed. One embodiment of the invention relates to a method for estimating the negative pressure in a motor vehicle brake force booster with reference to the hydraulic pressure in a brake master cylinder. According to the embodiment, the negative pressure is estimated solely on the basis of hydraulic pressure in the brake master cylinder and of the actual engine speed. One embodiment of the invention also relates to a stop/start control device for a motor vehicles.

Abstract: An engine start system which may be employed in automotive idle stop systems. To start an engine, the system brings a pinion gear into engagement with a ring gear coupled to the engine and turns on an electric motor to rotate the ring gear through the pinion gear to crank the engine. When it is requested to start the engine during deceleration of the engine before stop thereof, the system thrusts the pinion into engagement with the ring gear and then turns on the motor to rotate the pinion gear, in other words, delays the activation of the motor until after the pinion gear has engaged the ring gear. This minimizes mechanical impact or noise arising from the engagement of the pinion gear with the ring gear and improves the reliability in engagement with the ring gear during the deceleration of the engine and durability of the system.

Abstract: The invention relates to a method for informing, in a reassuring manner, the driver of a vehicle that is provided with a heat engine and a STT System for automatically stopping and restarting the engine. The method comprises the following steps: verifying that the driver requested the automatic engine stop; determining that the vehicle System does or does not allow the automatic stop; and if the automatic stop was properly requested and the vehicle System does not allow the automatic stop, informing the driver that not automatically stopping the engine is a normal opération.

Abstract: The present embodiments provide a control system and method that is able to automatically start and/or stop a portable engine-driven power source. For example, in one embodiment, a system includes an engine-driven power source having an engine, a compressor driven by the engine, a sensor configured to generate a first signal indicative of a demand for air pressure from the compressor and a second signal indicative of no demand for air pressure from the compressor. The engine-driven power source also includes a controller configured to stop the engine in response to the second signal.

Abstract: A system for automatically shutting down an engine of a motor vehicle includes a plurality of status indicators, each providing status data in response to an operational parameter of the vehicle, wherein the status data from each of the status indicators has a predetermined status value. A controller is responsive to the status data and is configured to (1) sum the status values of the status data received by the controller to determine an aggregated status value, (2) compare the aggregated status value to a predetermined shutdown threshold value, and (3) provide a shutdown signal if the aggregated status value is at least equal to the shutdown threshold value for a predetermined time interval. An engine control unit in signal communication with the controller is operable to shut down the engine in response to the shutdown signal.

Abstract: A method of controlling the stopping and starting of an engine is disclosed in which, during an engine shut-down period, if a signal indicative of a request for restarting the engine is generated, the engine 1000 is restarted if the engine speed (N) is within a predefined speed range and the absolute pressure (MAP) in a manifold of the engine is below a predefined limit MAPlim.

Abstract: An engine includes an intake variable valve mechanism and an exhaust variable valve mechanism. An ECU causes all intake valves in all cylinders to stop in a closed state by means of intake variable valve mechanism when performing a fuel-cut operation, including when the engine is stopped. The ECU causes at least one exhaust valve in all cylinders to stop in an open state by means of exhaust variable valve mechanism. When executing a fuel-cut operation, needless compression can be avoided by stopping the exhaust valves in an open state, while protecting a catalyst from deterioration caused by contact with intake air by stopping the intake valves in a closed state. The amount of oil consumption of the engine, and electric power consumption, vibrations and a tendency for spontaneous ignition to occur at cranking time can be improved.

Abstract: In an idling control apparatus for a vehicle, normally, when a predetermined idling reduction execution condition is satisfied, a signal is output to the engine control device so as to execute idling reduction for stopping the idling operation of an engine to automatically stop it. Further, it is determined whether or not a subject vehicle is stopped against an obstacle for avoidance of danger based on at least one of environmental information in front of the subject vehicle, obstacle information and a driving condition of the subject vehicle before it is stopped. When it is determined that the subject vehicle is stopped against the obstacle for avoidance of danger, automatic engine stop is prohibited.

Abstract: A cooling system for an engine in the present invention includes a first coolant route for circulating coolant between a water jacket of an engine main body and a heater core, a second coolant route for circulating the coolant between a waste heat recovery unit and the heater core, a first water-temperature sensor provided on the first coolant route, and a second water-temperature sensor provided on the second coolant route. An engine control unit makes an engine stop determination based on the coolant temperatures detected by the first water-temperature sensor and the second water-temperature sensor and, in making the engine stop determination, selectively uses the coolant temperatures detected by the first water-temperature sensor and the second water-temperature sensor in dependence on whether a heater unit including the heater core is in an operation state or in an out-of-operation state.

Abstract: Methods and systems are provided for controlling the automatic shutdown of an idling vehicle engine. When the vehicle is parked in an enclosed space, the idling engine may be automatically shutdown, while when the vehicle is parked in an open space, the automatic shutdown may be delayed based on an ambient temperature. In this way, the vehicle cabin may be maintained at a temperature that provides enhanced driver comfort while allowing wasteful engine idling to be reduced.

Abstract: A start control device includes a compression self-ignition engine, fuel injection valve, piston stop position detector, starter motor, and controller for stopping the engine when an automatic stop condition is satisfied, and thereafter, when a restart condition is satisfied and a compression-stroke-in-stop cylinder piston stop position is within a stop position range on a bottom dead center side, restarting the engine by injecting fuel into the compression-stroke-in-stop cylinder while applying torque to the engine. In restarting the engine, when the restart condition is not based on driver request, when the compression-stroke-in-stop cylinder piston stop position is within the stop position range, the controller restarts the engine, injecting fuel into an intake-stroke-in-stop cylinder on an intake stroke, when the cylinder reaches the compression stroke. When the restart condition is based on driver request, the controller restarts the engine, injecting fuel into the compression-stroke-in-stop cylinder.

Abstract: A vehicle carbon monoxide detection system for a vehicle includes a vehicle internal combustion engine; a controller interfacing with the vehicle internal combustion engine; a carbon monoxide sensor interfacing with the controller, the carbon monoxide sensor adapted to detect a level of carbon monoxide. The controller is adapted to prevent and terminate operation of the vehicle internal combustion engine if the level of carbon monoxide detected by the carbon monoxide sensor exceeds a threshold carbon monoxide level. A vehicle and a vehicle carbon monoxide detection method are also disclosed.

Abstract: The present application relates to a fuel injection system of an internal combustion engine having an automatic stop-start system, the fuel injection system comprising a high pressure fuel pump, which via a fuel pump line delivers fuel towards a common fuel rail, to which a fuel return line is connected. It is proposed that the fuel return line comprise a control element system, which firstly discharges a fuel pressure to a fuel tank, when a first predefined pressure limit is reached in the fuel return line, and which secondly prevents a further flow of fuel from the return line into the fuel tank, but allows a flow of fuel from the fuel tank into the fuel return line, so that the return line is designed as a fuel pressure accumulator.

Abstract: A method for starting an engine includes sensing a triggering event and monitoring pressure in a fuel rail. A cam shaft of the engine is oscillated with a cam phaser. The cam shaft does not complete a full rotation during the oscillation. A fuel rail pump is operated with the oscillating cam shaft until the monitored pressure in the fuel rail reaches a minimum level, and the engine is started after reaching the minimum level.

Abstract: An engine system is constituted of a battery, a fuel cell, a turbocharger, an engine, a controller configured to (i) stop the engine automatically upon fulfillment of a predetermined stop condition and starts the engine automatically upon fulfillment of a predetermined restoration condition. In the engine system, the controller is configured to stop the fuel cell from charging the battery or limit a charge amount of the battery to a value equal to or smaller than a discharge amount when the fuel cell is driven during operation of the engine and an SOC is equal to or larger than a first limit value W1. The controller is configured not to limit the charge amount when the internal combustion engine control unit stops the engine and the fuel cell is driven during stop of the engine.

Abstract: A hybrid electric vehicle comprises an internal combustion engine and an electric motor/generator connected via a first clutch. In response to a system stop request in a vehicle stop state, a rotation speed of the internal combustion engine is decreased to a predetermined rotation speed higher than a predetermined resonance frequency band by a negative torque applied to the internal combustion engine from the electric motor/generator via the first clutch. Then, the disengagement of the first clutch starts. The rotation speed of the engine falls below the predetermined resonance frequency band within a predetermined period from the start of the disengagement. As a consequence, the required period from a stopping operation of the internal combustion engine until actual operation stop thereof in a vehicle stationary state is reduced.

Abstract: A vehicle having a system for determining that there is a possibility that the vehicle has entered or is about to enter water at a vehicle wading depth. The system comprising at least one under-body mounted sensor both configured to remotely and directly detect the presence of water substantially below and about the under-body mounted sensor. The under-body mounted sensor may be an ultrasound transducer sensor both configured to estimate a depth of water the surface of which is substantially below the sensor and to detect the presence of water when the sensor is in contact with water. In response to determining that there is a possibility that the vehicle has entered or is about to enter water at a vehicle wading depth, the system is configured to implement one or more vehicle control strategies.

Abstract: Systems and methods for improving operation of a start/stop vehicle are presented. One method includes deactivating an engine start/stop mode in response to an electrical load of a trailer coupled to a vehicle. By deactivating the engine start/stop mode, it may be possible to conserve consumption of electrical energy and maintain state of battery charge to ensure the vehicle has sufficient electrical energy to restart the engine.

Abstract: The present concept is method of controlling a vehicle's engine idle and includes the steps of monitoring a vehicles operating parameters with a controller and comparing parameters to preselected shutdown conditions. In the event shutdown conditions are met and the key is not in the ignition, the controller warns operator of impending shutdown. The controller intercepts the ignition key signal and simulates the vehicle key to be in the run position such that vehicle functions are operable as if key is in run position. The controller shuts down engine. The method may also include the steps of: the controller intercepting the ignition key signal and simulating the vehicle key to be in the accessory position such that vehicle functions are operable as if key is in accessory position.

Abstract: An apparatus for controlling an internal combustion engine executes air-fuel ratio feedback control based on a detection result of an exhaust gas sensor and when the engine is shut down, stops energization of a heater of the exhaust gas sensor at a predetermined timing after shutdown of the engine, heater control of the exhaust gas sensor is executed, which is suitable for a case in which shutdown time of the engine is set long, and thus the exhaust gas sensor is protected from thermal shock. The control apparatus sets timing for stopping energization of a heater of an exhaust gas sensor after shutdown of the engine, to a point in time when a predetermined time set based on outside air temperature has elapsed, or a point in time when cooling water temperature of the engine has dropped to a predetermined temperature.

Abstract: Disclosed is charging safety control system for a fuel-cell vehicle. In particular, a charging switch is provided in a fuel-cell vehicle to be manipulated in hydrogen charging as well as a vehicle speed detector for detecting a current vehicle speed. A controller within the vehicle is configured to receiving a signal corresponding to on/off-manipulation of the charging switch and a detected current vehicle speed and control the ignition of the vehicle based thereon. Particularly, the controller is configured to switch off the ignition of the vehicle upon receiving the on-manipulation signal of the charging switch, and upon determining that the vehicle is stopped based on the current vehicle speed.

Abstract: An intake air quantity information determining arrangement senses or computes one of an intake air quantity and a torque of an internal combustion engine as intake air quantity information. A misfire-avoidance control arrangement executes a misfire-avoidance control operation, which avoids misfire by controlling a throttle opening degree of a throttle valve such that a value of the intake air quantity information does not decrease below a normal combustion threshold value.

Abstract: An apparatus to control an internal combustion engine includes a cylinder operation controller configured to switch a cylinder operation between an all-cylinder operation and a cylinder deactivation operation. A deactivation time parameter integrating device is configured to integrate a deactivation time parameter indicating a deactivation time of the part of the plurality of cylinders to calculate an integrated deactivation time parameter. An inhibiting device is configured to inhibit the cylinder deactivation operation if the integrated deactivation time parameter calculated by the deactivation time parameter integrating device is larger than or equal to a reference value. The deactivation time parameter integrating device holds the integrated deactivation time parameter as an initial value after an operation of the internal combustion engine is stopped.

Abstract: In one aspect of the invention there is provided a motor vehicle comprising an engine, the vehicle being operable automatically to stop the engine responsive to a determination that the engine is not required to provide torque to drive the vehicle, wherein the vehicle comprises control means operable to monitor a value of one or more parameters associated with the vehicle during a drive cycle, the control means being arranged automatically to determine whether a current driving style of a driver corresponds to an economy-oriented driving style or a performance-oriented driving style responsive to the value of the one or more parameters over time during the drive cycle, the control means being operable to over-ride stopping of the engine when it is determined that the driving style of the driver corresponds to a performance-oriented style.

Abstract: A start control device includes a compression self-ignition engine, fuel injectors, a piston stop position detector, a starter motor and a controller for automatically stopping the engine when a predetermined automatic stop condition is satisfied, and thereafter, when a predetermined restart condition is satisfied and a compression-stroke-in-stop cylinder piston stop position is within a reference stop position range set relatively on a bottom dead center side, restarting the engine by injecting the fuel into the compression-stroke-in-stop cylinder while applying the rotational force to the engine using the starter motor. In restarting the engine, when the fuel is injected in the compression-stroke-in-stop cylinder, the controller controls the fuel injector to perform a pre-injection before a main injection and increase a total injection amount of the fuel for the pre-injection as the stop position of the compression-stroke-in-stop cylinder piston is further on a top dead center side.

Abstract: An engine control section (50) is configured to: start power supply to pinion-gear moving sections (21, 22) based on an engine rpm which becomes smaller than an rpm at which the meshing engagement is possible while the engine is rotating by inertia as a result of satisfaction of an automatic stop condition; temporarily stop the power supply to the pinion-gear moving sections when an amount of change in the rpm of the engine exceeds a predetermined increase detection threshold value before time required for a pinion gear (24) to come into abutment against a ring gear (12) elapses after the start of the power supply; and restart the power supply to the pinion-gear moving sections when the amount of change in the rpm of the engine becomes smaller than a predetermined decrease detection threshold value after the power supply is temporarily stopped.

Abstract: Embodiments of the invention relate to a motor vehicle controller operable automatically to stop and subsequently to restart an engine of a vehicle according to a prescribed control methodology. The controller is operable automatically to adjust an engine stop delay parameter in dependence on the value of at least one vehicle endurance parameter. The engine stop delay parameter corresponds to a period for which the engine of the vehicle remains switched on when it is determined that a condition exists allowing the engine to be switched off during the course of a drive cycle. The value of the endurance parameter is responsive to stop/start operations being performed during the course of a drive cycle. The controller is operable to adjust the engine stop delay parameter to prevent the value of the endurance parameter exceeding a prescribed maximum endurance value before a prescribed time period elapses.

Abstract: An engine starting device is provided with a battery, a starter motor, an inrush current limit circuit and a control unit. The inrush current limit circuit has a resistor and a bypass relay connected in parallel. The inrush current limit circuit is interposed between the battery and the starter motor. The bypass relay has a normally open contact that is configured to be closed at a time of engine startup. The control unit is programmed to include a fault identification unit that identifies a location of fault occurrence in the inrush current limit circuit based on a minimum voltage of the battery existing while the starter motor is determined to be in operation and an amount of decrease in voltage of the battery existing while the normally open contact is determined to be actuated in a closing direction.

Abstract: The invention relates to a method and an arrangement for controlling a vehicle with a hybrid drive, wherein during the driving mode an internal combustion engine (1) and a second drive unit (12) contribute individually or in tandem to the drive torque of the vehicle. In a method for controlling a vehicle with a hybrid drive, according to which the toxic emissions are kept to the minimum level possible, the control and regulation behaviour of the internal combustion engine (1) is set in accordance with the operating mode of the second drive unit (12).

Abstract: An automatic shut-off of the engine of a motor vehicle is only activated if the motor vehicle has been moved according to a specific criterion after the last starting procedure of the engine. The undesired shut-off of an engine can thus be prevented in some situations, such as e.g. when a garage is being opened or when ice is being scraped off the windows of a motor vehicle.

Abstract: A multi-cylinder internal combustion engine is provided with a system for the variable actuation of the intake valves. At least one part of the engine cylinders is deactivated, cutting off fuel supply to said cylinders, under operating conditions that do not require the maximum power of the engine and in which one wants to reduce fuel consumption. The intake valves of the deactivated cylinders are kept at least partly open during at least one part of the discharge stages in the deactivated cylinders, hence, in the deactivated cylinders, part of the burnt gases generated during the operation prior to the deactivation flows into the respective intake conduits during the discharge stage of each cylinder. The intake valves are closed after the discharge stage. The intake valves of the deactivated cylinders are further kept closed during the compression and expansion stages in each deactivated cylinder.

Abstract: A system and method for engine idle control enforcement is provided. According to one embodiment, a vehicle is monitored to determine whether it has moved a particular distance over a period of time or is moving at a particular speed. The monitoring can be accomplished using, for example, a GPS capable device. A determination can be made based on the vehicle distance or speed over a period of time as to whether the vehicle is in idle. When a determination is made that the vehicle is idle, an activation of one or more relay switches can occur to kill the engine and/or disable the starter. A park gear signal can be used as a safety mechanism to avoid killing the engine when the vehicle is determined to not be in park. In one embodiment, in order to reengage the vehicle's engine, the turnkey must be moved to the OFF position before turning the ignition ON.

Abstract: A vehicle engine automatic control device has a brake operation amount detecting unit that detects an amount of brake operation by a driver, an engine stopping/re-starting unit that, during coast drive, stops an engine based on the amount of brake operation that is detected, and, after the engine stops, re-starts the engine when the amount of brake operation that is detected falls below a first threshold, and a first threshold setting unit that sets the first threshold smaller as vehicle speed becomes lower.