Question about 1991 Chevrolet Camaro
Have you checked your fuel pressure? I would check this before you check anything else first. Could be a bad HEI module which is located in the distributor cap. You need to check spark at all plug wires and make sure you have spark to every wire. Assuming you have TBI (throttle body injection) you should have 9-13 psi fuel pressure or if you disconnect the fuel line and put it in a jug while turning over you should get one pint in 30 seconds. If you have PFI (port fuel injection) you should have 40 to 47 psi or 1 pint in 30 seconds. If you have injectors disconnect injector harness then turn your ignition on and check for battery voltage at each one of the injectors harness. Battery voltage should be present on at least one side of each injector. If for some reason you don't have battery voltage check for a blown injector power fuse. Not knowing if you have a carberated or fuel injection either one has a EGR valve and if there are problems there it could cause your car to run very rough and die out after startup. I hope some of these help but with out knowing what you have fuel wise it makes it a little harder to diagnose.
Posted on Sep 12, 2009
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Posted on Jan 02, 2017
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