CHEVY RELEARN CRANKSHAFT SENSOR

2002 Chevrolet Blazer

Tiny

pioneerlogs

April, 3, 2008 AT 5:34 AM

Electrical problem
2002 Chevy Blazer 6 cyl Four Wheel Drive Automatic 93000 miles

How do you perform a relearn on a crankshaft sensor. Is this expensive if you take it to a dealer?

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3 Answers

Tiny

rhall77

April, 3, 2008 AT 7:26 AM

You will need a tech 2 to do it. Where I live they charge an hours worth of labor for the job, but it only takes 45 sec to perform if the car is warmed up.

Tiny

pioneerlogs

April, 3, 2008 AT 8:41 PM

Would it help if I returned the 'aftermarket' crankshaft sensor and bought a new GM sensor for this vehicle. I heard sometimes you can do this and it does not have to be set up 'learned'?

Tiny

rhall77

April, 4, 2008 AT 7:06 AM

Not sure on that, may I ask why do you think you need to do a crankshaft relearn. The only time you should have to do it is when you reprogram the pcm.

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