Question about 1994 Oldsmobile 88

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1994 olds 88

When going down a hill the car will start missing and runs very rough..gets better on acceleration..ck engine light is on.

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Sounds like the baffle in the fuel tank could be loose. I remember that problem on those when they were new. the only repair for that was/is to replace the tank. before you do that you should install a fuel pressure guage to it and test drive and watch the fuel press. it should stay above 35 psi. and even rise when accelerating if the fuel pressure regulator is ok. good luck.

Posted on Aug 30, 2008

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Missfire


Locate you computer (right front kick panel) and tap on it with a pen while the car idles... Also flex it back and forth with your hands to see if the car runs rough or quits... You may need a new one.

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