Crankshaft position sensor

Asked by Jul 16, 2016 at 10:41 AM about the 2005 GMC Sierra 1500 SLE 4WD Extended Cab LB

Question type: Maintenance & Repair

I coded crankshaft position sensor replaced
the sensor. Now I lost spark if the sensor is
not seated correct would that be y I lost
spark?

4 Answers

10

It could cause loss of spark if the sensor is not reading properly it must be all the way in

How sure r u of this that starter was a bitch I really don't want to pull it again..it popped like it seated when I put it in

10

Look at it with a mirror if u have to to see its in properly. And yes this will cause it not to start

11,005

Or the harness is worn, or a bad connector, The CKP sensor should be sending an AC voltage square wave signal when engine is cranking. Check it with a multimeter IF, you have one... Inspect the harness before pulling the sensor again.

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