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I have a 91′ chevy truck with a 5.7L engine that runs great but after I have driven somewhere and shut the truck off and then try to restart it, it will start and then immediately die. I have to hold the peddle down to start it and even then, that doesn’t always work. I have replaced the distributor, rebuilt the throttle body, replaced the coolant temp. sensor, IAC valve replaced…. don’t know what to do next. Any suggestions?
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Replies
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sounds like its too much fuel or leaking injectors.I
take it this is TBI.Check your fuel pressure and the
fuel pressure regulator. fuel pressure should be between
12-15 psi.You will need to check for a good spark while cranking the engine during a hot start. If OK check the fuel pressure. college man supplied the correct pressure for your truck.
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