what wrong with my car? code reader read 91 on but didn't tell me what it mean

Asked by Souksady May 20, 2015 at 09:14 AM about the 1999 Chevrolet Blazer LS 4-Door 4WD

Question type: Maintenance & Repair

I had new fuel pump on it and got it start up and had it running for 10 min.then it just shut
off by it self. then I try to start it again.it would crank start then shut off..

3 Answers
20

Jacquenette answered 8 years ago

I think you should check the crank sensor. I just replaced my fuel pump w/same problem. Was told it was crank position sensor. Now trying to find out where mine is located.

Mark helpful
30

godkilla answered 8 years ago

check ur fuel pressure regulator really need all of the P code to help out any more.

Mark helpful

Your Answer:

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