Symptoms : Stalling when coming to stops, tachometer quits working, long or extended crank time after stall, engine runs fine while accelerating.
Some engine design (like this one) will continue to run without the crank signal while other designs will not. Typical symptoms of a faulty crankshaft position sensor would be a no start.
This video may be used as a guide for how to test an inductive type cam or crank sensor. Other names applied to this type of input: Variable Reluctance Sensor, Magnetic Pulse Generator, Pick-up Coil
– Faulty cam sensor setting a crank sensor code – P1389, P0320, P0622
– 2005 Impala Crank Sensor Code P0335 From A Shorted Cam Sensor
– Testing CAM-CRANK Sensor Relationship on a Picoscope
– Nissan-Infinity no start, no spark from a faulty crank sensor
For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
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