Question about 1991 Toyota Corolla

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1991 toyota corolla gts, acceleration hesitaion

My 1991 corolla gts runs great when warm, and when i first start it; but while it warms up it hesitates tremendously when i accelerate. the hesitation is more severe the more i press in the gas. the problem only occurs between cold and normal operating temp. i've changed the spark plugs and the old ones weren't fouled in any way. BTW it is a 1.6L twin cam 16 valve fuel injected engine.

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  • DJ21 Sep 21, 2008

    I have the same problem. In the morning/evening when i'm driving to/from school my car jerks back and fourth almost like i'm pressing on the gas and releasing. But when the car warms up it goes away, this started happening about 3 weeks ago. Also my ac is only cold while i'm driving when i stop at a traffic light it gets hot, is this normal for '91 corollas?

  • Anonymous Dec 26, 2008

    I had the same problem last winter. It went away in the summer and never came back this winter. I had considered changing the throttle position sensor or the coolant temp sensor??? but never got around to it. The car runs great now.

  • grammeejill Mar 03, 2009

    My 1991 Toyota Corolla hesitates while stopped and it's getting worse. I just replaced the fuel pump and fuel bracket 2 months ago.

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Change the engine. cost only 1,300usd.

Posted on Nov 19, 2009

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It could could be the coolant temp sensor.

Posted on Nov 14, 2008

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