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Help!!!! 91 Firebird, 5.0L wont stay running

Old Jul 8, 2010 | 11:49 PM
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Help!!!! 91 Firebird, 5.0L wont stay running

I have a 91Firebird, 5.0L auto with throttle body injection.I put a new fuel pump in, new fuel filter, new throttle positioning sensor, new fuel injectors and pressure regulator. Car will start but will kill if you don’t hit the throttle. If you keep pumping the gas pedal, you can keep the car running but as soon as you put it to the floor, it shuts off the fuel and the car dies. If you let off the gas and let it idle, it shuts off the fuel and the car dies. The only way the car will keep running is if you keep moving the throttle up and down.
Does anybody have any idea of what might be the next step to figuring this out?

I did notice the security light is on all the time. Would that have any thing two do with it???

Last edited by mb67; Jul 12, 2010 at 10:42 AM. Reason: ad more info
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Old Jul 9, 2010 | 07:34 AM
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Re: Help!!!! 91 Firebird, 5.0L wont stay running

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