Question about 1992 Buick Regal

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Car Stuttering after service engine light goes off...

This started a few weeks ago.. Usually when I first start the car, everything is fine for about 30 seconds but the service engine soon light is on, as soon as it goes off, the engine starts stuttering like crazy and i can smell gas a bit. i have to keep the accelerator down in order to keep it running, after about 5 minutes of that the car starts to run normally.

I've already changed the oil, spark plugs and wires.. It stopped fr a while, but now its come back with a vengeance and getting worse by the day.

I'm thinking it may be the o2 or mass air flow sensor, but i really dont know for sure... I'm not exactly sure what to do, can anyone help?

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On The 92 Buick, i had a Issue Like Yours come to me on a Caddy Once Doing Same Stuff, Dealer already gave up and sent to My Shop, They Replaced everything Except the Car, Got worse as warmed up, Crack on Head IN The Valve seat Is what I found, Can Not say you have same problem... just keep in mind

Posted on Apr 04, 2012

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Possible defective coolant temperature sensor. The one for the ECM. Two wire oval connector, usually near the thermostat housing.

Posted on Nov 10, 2008

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