Quote:
Originally Posted by BigRocsFirebird
is it getting fuel
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its getting fuel
Quote:
Originally Posted by crazyblazer87
how did you check for fuel? maybe you can move injectors around and see if the misfire moves with injectors
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i checked for fuel on the fuel rail with a fuel pressure gauge
Quote:
Originally Posted by SRGN
98, should be just a regular vortec. A few common failures on that. The injector assembly(poppets go bad or regulator leaks). Intake gasket failure causing a vacuum leak into the lifter valley. Pull off the oil cap while it's running and see if it changes RPM, if it does there is most likely a lower intake gasket leak. The simplest one is a bad distributor cap/rotor, they tend to crossfire badly on a vortec when they fail.
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im going to check that tomorrow thanks alot