Question about 1994 Pontiac Bonneville

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Car dies for no reason

I have a 1994 Bonneville and the "check engine" light comes on intermittently, it recently started dying while I'm driving for no apparent reason? I have to put it into park and restart it. I have NO car knowledge but it was suggested to me that it could have to do with the fuel filter/line. It happened once while I was on the freeway going 85 MPH and it just restarted by itself while I was coasting. I don't know where to start and I don't want to get ripped off by someone - I'm still making payments on the car (bad divorce - don't ask) and am trying to figure out if it's worth putting any money into it - it has 230,000 miles on it.....I'd like to make it last one more year if at all possible. Please help.....

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  • Anonymous Oct 08, 2008

    Had same driving along and car would just shut down...would restart OK..continued driving like this for three days...thought it was water in gas problem..took to repair shop...suspected either crank shaft sensor or Engine Control Module problem...replaced Crank sensor first because it is a more common problem...did not fix problem...replaced ECM...problem runs fine now.

  • raylight Dec 02, 2008

    I have the same issue....stops running at low or high reason...can restart sometimes...if it sits overnight will often restart ....just don't know how long will run...a few minutes to 2/ will always turn over ....but sounds like it's not getting fuel or spark...just won't start...after several trys....173k miles on vehicle ....HELP..............only had car for a week.........can't afford to throw a ton of $$$ at it....................RL



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I have a 1994 Bonneville and it to had trouble with it quiting while driving at low speed or slowing down and after doing a ton or resurch it turned out to be the EGR valve and it is a very common thing for the 3800 3.8. is expensive to replace and all the salvage yards that I went to did not have any on the motor so I had to buy one new $105 but in the end it was worth it. Until I could come up with the money I just took it off and sprayed carb cleaner in it and it would last a few weeks until it started to act up again. hope this helps every one.

Posted on Jan 02, 2009

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My 94 pontiac bonneville recently started running rough then died, have to put foot on brake and gas and put in neutral at stop lights any suggestions

Posted on Aug 03, 2011


Had same problem...thought it was water in gas...replaced crankshaft sensor...part cost $60.00-labor $80.00..failing crank sensors seem to be more common problem..did not fix problem...replaced Engine Control Module (ECM) part cost $187.00-labor $40.00...replaced ECM solved runs fine.

Posted on Oct 08, 2008

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Hi,you can do some inexpensive repairs ,replace fuel filter,add some fuel sistem cleaner to your gas tank,is not a bad idea to replace air filter ,this will help to run better,Ihope this will help you.......Good Luck

Posted on Aug 24, 2008

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