Question about 1993 GMC Jimmy
I have a 1993 gmc jimmy with 4.3 vortec i have spark and fuel but it won't fire. i checked codes but there aren't any timing seems fine
If you have checked for spark at the spark plug end of the wire and it was not an sporadic,then you need to check the fuel pressure at the fuel rail reed valve,it should be at least 50psi ti start an engine thru the injectors
Posted on Dec 11, 2009
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Posted on Jan 02, 2017
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