Question about 2001 GMC Safari

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2001 gmc safari stalls when comming off the exit ramp on highway, around town it is fine. replaced mas air flow sensor and iac sensor. still stalling

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Car shuts off when driving for a while,this could be a bad crank sensor. but the sensor should set a problem code, have car scanned. if you do not have a scanner, any auto parts place will scan for free.if car shuts off when driving down road then a bad crank sensor will cause this. good luck toolman,

Posted on Feb 05, 2010

  • carl Feb 05, 2010

    this is toolman, camshaft sensor will give same results, so the codes are:po 340 and po344 is cam sensor, po335, 341,342 is crankshaft sensor. first make sure fuel filter is ok.

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