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#1
08-12-2005, 04:41 PM
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Please Help!
I have a 91 GMC Sierra 350 1500. It turns on fine but will not stay on unless you keep your foot on the gas pedal. I have already changed the spark plug wires, distributor,rotor, air filter, fuel filter.......I have no clue what could be causing this! I also checked the fuel pump and it is working fine. I tried resetting the computer by disconnecting the battery for a while but that didn't help either. Please help!
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#2
08-12-2005, 05:25 PM
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Re: Please Help!
Have you ever replaced the TBI gasket? They are notorious for going bad causing a major vacuum leak. Check for any broken or cracked vacuum lines. Also make sure the PCV is working. It should rattle when you shake it.
After you check/fix the TBI gasket. Take off the air cleaner and make sure fuel is coming out of both injectors. //2000CAYukon
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