Does anyone know how to tell which one needs replacing? I have a 1996
3.1 lumina and the check engine light came on so I checked it with a
code reader and got P0336 crank shaft position sensor A ckt range/pref
I guess theres 2 sensors a 3X and a 24X one how can i tell which one
is bad without buying both?
Both these signals are generated by the crank sensor, one is for timing
control the other is the signal to control injector activation and saprk
activation.You need to check the signals on an ocilliscope, or check
continuity from the sensor to the icm, this will check the harness, look for
oiled up or corroded connections at either end of the circuit.
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