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Originally Posted by GTPWarrior
Go under my name search threads started by user and it was like the first thread I started.
But briefly its a 30.00 (approx) part at autozone
Take off right front tire, splash guard, Harmonic balancer, then CPS (crankshaft position sensor) Replace and re assymble .
But the thread has everything you need to know it is not as easy as it sounds. Getting the harmonic bal center bolt off is a real pain.
I believe the thread was titled Someone please help.
If you have problems finding it I can locate later and pull to the front of the forum.
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The GM service Manual refers to hooking the car to a scan tool and running a learning procedure for the Crank position. So, I think you may need to have a dealer do this after you replace the unit.
CKP System Variation Learn Procedure
The Crankshaft Position System Variation compensating values are stored in the powertrain control module (PCM) non-volatile memory after a learn procedure has been performed. If the actual Crankshaft Position System Variation is not within the Crankshaft Position System Variation compensating values stored in the PCM, DTC P0300 may set. Refer to Diagnostic Aids for DTC P0300.
The Crankshaft Position System Variation Learn Procedure should be performed if any of the following conditions are true:
DTC P1336 is set.
The PCM has been replaced.
The engine has been replaced.
The crankshaft has been replaced.
The crankshaft harmonic balancer has been replaced.
The crankshaft position sensor has been replaced.
Important:
The scan tool Crankshaft Position System Variation Learn function will be inhibited if the engine coolant temperature (ECT) is less than 70°C (158°F). Allow the engine to warm to at least 70°C (158°F) before attempting the Crankshaft Position System Variation Learn Procedure.
The scan tool Crankshaft Position System Variation Learn function will be inhibited if any powertrain DTCs other than DTC P1336 are set before or during the Crankshaft Position System Variation Learn Procedure. Diagnose and repair any DTCs set. Refer to the applicable DTCs.
Anyway, it looks like you need access to a GM scan tool, not just a generic obd code puller. I would also check the wiring to the sensor, it may just be adamaged harness