ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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Camshaft follower
On OHC overhead cam engine the equivalent of a rocker arm.
Electric current that flows in one direction
A magnetic, whole affect, optical or magnetic oh resistive sensor usually mounted internally in the engine to inform that ECM or PCM of piston position on the intake stroke for timing synchronization of sequential fuel injection.
The sprocket on the camshaft that is turned up by a chain or belt from the crankshaft. The camshaft sprocket has twice as many teeth as the cam shaft sprocket.