Question about 1989 Buick Skylark

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Starts and then stalls immediately

I have a 1989 Buick Skylark with the 4-Tech 2.5 liter engine. The car will start, but remain running (or try to run) for only a second or two. It will run a little longer if I spray starting fluid into the throttle body. I have replaced the fuel filter and spark plugs (I broke one, so had to replace them). The car seemed to like the new fuel filter and plugs, but still does not want to stay running. The computer is not giving any codes and I do have spark at the plugs. Any help would be appreciated. Thanks in advance!

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  • cadillacart May 20, 2009

    I forgot to say that I can hear the fuel pump turn on when the ignition is turned on.

  • cadillacart May 20, 2009

    I will try those things tomorrow. Thank you very much!

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Hello There

It sounds like a weak fuel pump, which turns but not with sufficiant pressure.

I would also recommend looking at the MAF (Mass Air Flow) sensor which can also give similar problems.


Hope this helps, please don't forget to rate me.

Posted on May 20, 2009

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If you don't have any codes and no security light, then I would check the fuel pressure. Do it with a gauge and see if you have at least 18 psi. If not you may need a fuel pump. Good Luck

Posted on May 20, 2009

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