Question about 1999 GMC Jimmy
First you need to check fuel pressure, this is very important with this fuel system, the press. should be 55-62 psi & hold steady. Also you need to veryfy you have a signal coming from the crank sensor. Usually no-starts or hard starts on these vehicles will either be the fuel pump, injector assembly or crank sensor.
Posted on Jun 27, 2009
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Posted on Jan 02, 2017
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