Abstract: A vehicle maintenance device for acoustical and vibration sensing of an engine has a flexible wand member having a channeling running the length of the flexible wand member. A housing is coupled to a first end of the flexible wand member. A handle section is coupled to a second end of the flexible wand member. The handle section has an internal cavity section. Sensing circuitry is positioned in the maintenance device and is used for performing acoustical and vibration sensing of an engine of the vehicle.

Abstract: A palm-held acoustical sensing device provides improved accessibility within an engine compartment for sensing engine noise in order to perform diagnostics. Miniaturized electronics are provided within a compact housing that permits free use of the sensing device within an engine compartment, enabling access to engine components that have previously been accessible only with great difficulty. Clamping sensors having wider bandwidth than existing clamping sensors provide improved sensing capability and an electronics and battery housing having one or more sensor input jacks provides for attachment of multiple sensors, improved storage and a lower cost unit providing the advantages of both a flexible shaft sensing unit and a clamping unit.

Abstract: A palm-held acoustical sensing device provides improved accessibility within an engine compartment for sensing engine noise in order to perform diagnostics. Miniaturized electronics are provided within a compact housing that permits free use of the sensing device within an engine compartment, enabling access to engine components that have previously been accessible only with great difficulty. Clamping sensors having wider bandwidth than existing clamping sensors provide improved sensing capability and an electronics and battery housing having one or more sensor input jacks provides for attachment of multiple sensors, improved storage and a lower cost unit providing the advantages of both a flexible shaft sensing unit and a clamping unit.