Question about 1991 Pontiac Firebird

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Situation 91 Fuel_fire_bird what a surprise i'm sure..haha!

I know fuel plus ignition spark eguals firebird fire ,..But i was out last night cautiously blowing red lights ,..(good thing because little did i know i was buying time) almost to destination the car started to cut out..Something in me could practically see my fuel being choked off at the fuel filter but i am not sure of that .The bird cut out and i coasted to a side street shut it down and restarted it,...Yes it did re start i turned around not far from home hoping i would be able to do a 10 mph pace ..the more throttle i gave it the more *******
and failing it did.
So i stopped with the gas and just tried to let it go on its own But NO WAY that was happening,..It cut out again during the coast i restarted it several times but i didnt want to overdoe it and blow the starter so i threw it in neutral and backed into a side street then called for a friends cadillac to come give me a push home (which wasnt far away thankfully) I am grateful GM made all bumpers the same heighth. I have replaced the spark plugs,Thermostat and EGR valve so far..to comply with emissions standards which i havent been able to reach as of yet.
Another strange thing was the feeling i got from the car a hard metal type of clank i felt it ..i might be imagining things I kind of hope i am anyway.
What could this be the car starts and runs so fuel pump is out,..but when it warms up it starts this.It cuts out and shuts down.
I am glad i wasnt on a major highway when it happened i am lucky! but how lucky? please get back with me if there are any more questions. I also have a pontiac service manual i just bought if there is anything you would like to point me to.I sure would appreciate it,..I hope you can find the time for my question.

Sincerely
B'

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  • Jon
    Jon Jan 24, 2009

    i've had the same problem with my 1991 formula firebird, i've changed distributor, cap, rotor, plugs, wires checked all vacuum and did gaskets on the intake and plenum, it still does it, next thing to check is fuel pressure regulator, filter and so on, if your gettign fuel you may have a computer issue but i haven't gotten that far yet


  • yadayada
    yadayada May 11, 2010

    Please restate your question, what is the exact problem, short and sweet.

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Sounds like the Ignition Control Module inside the distro. cap. It might run fine when cold, but once it gets hot it causes trouble. Take the control module an auto parts store and they should be able to test, like Autozone.

Posted on Feb 06, 2009

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