Thread: Grand Prix starts then dies right after "Possible Fix!"

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  1. #1 Grand Prix starts then dies right after "Possible Fix!" 
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    So I read an old forum about someone having the same problem as me "Car would start perfect then die right after" He cleaned the Throttle Body and didn't have the problem again. People said it could be the fuel pump not getting enough pressure before you start the engine which probably true for some people. I would HIGHLY RECOMMEND Cleaning your throttle body first "good clean too" and see if it fixes the problem. I used CRC Throttle Body cleaner and its been 1 week of a dozen starts "Cold & Warm" and has not died on me yet.
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  2. #2 Re: Grand Prix starts then dies right after "Possible Fix!" 
    GTX Level Member STEVEGTX's Avatar
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    I had the same problem, I knew it had to be fuel pump because my tb had just been cleaned up after a lim gasket had been replaced. I just took the relay out and bent back the low fuel prong to by pass it

    Thanks TexasTanker19kilo20 for making this^^
    http://www.grandprixforums.net/98-gt...deo-72928.html
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  3. #3 Re: Grand Prix starts then dies right after "Possible Fix!" 
    Former GP Owner Chadgervais's Avatar
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    Quote Originally Posted by STEVEGTX View Post
    I had the same problem, I knew it had to be fuel pump because my tb had just been cleaned up after a lim gasket had been replaced. I just took the relay out and bent back the low fuel prong to by pass it
    Could you explain that to me? How does that work? Ive had this issue for a year now, and my TB is clean as a whistle.
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  4. #4 Re: Grand Prix starts then dies right after "Possible Fix!" 
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    Quote Originally Posted by Chadgervais View Post
    Could you explain that to me? How does that work? Ive had this issue for a year now, and my TB is clean as a whistle.

    Did you take the TB off and look behind it? I know all cars will have carbon build up but what I was thinking for my situation was that when I started my car it didn't get the right amount of air which would cause it to sometimes die right after, if that makes any sense?

    Still hasn't died yet!
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  5. #5 Re: Grand Prix starts then dies right after "Possible Fix!" 
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    Quote Originally Posted by Chadgervais View Post
    Could you explain that to me? How does that work? Ive had this issue for a year now, and my TB is clean as a whistle.

    I bent back 5 I think gm made a high low in the fuel pump, at low rpms gives less gas and after some time the low goes out so you just do a bypass and make it run on high, its a temporary but sometimes last a good time after doing it

    Thanks TexasTanker19kilo20 for making this^^
    http://www.grandprixforums.net/98-gt...deo-72928.html
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  6. #6 Re: Grand Prix starts then dies right after "Possible Fix!" 
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    My car had this issue. It would start then die right away. After the second or third try it would start and run fine. Spent $30 and about 5 minutes and replaced the fuel pressure regulator and haven't had ANY issues since (about a week now) and it used to stall EVERY time.
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