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by bebet_76 on July 23rd, 2006

bebet_76

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I have a Toyota Corolla 1991. What seems to be its problem because when I drive it, it jerks a lot when you push the gas pedal. I had it tuned up and replaced fuel filter. Even bought a carburetor cleaner but no luck. What's wrong?

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Answers. 3 helpful answers below.

  • by Darryl61 on July 23rd, 2006

    Darryl61

    If it is jerking when you push the accelerator gently, I would guess the throttle position sensor. If it is doing it under hard acceleration, it could be a plugged catalytic converter. A slipping trans. could provide a jerking sensation too. Did the mechanic who did the tune-up drive it? He should have some ideas. With the desription you give it would be impossible to give a definate answer without driving the car.

    Bebet_76,
    Fuel injected cars use a variety of sensors for fuel delivery. If it does it while warm, it could be a temp sensor. If your car isn't fuel injected, there is a whole other list of problems it could be.
    While I am fairly knowledgeable about the basic theories and principles of automobiles, I can not possibly know what all the options are on every car. If you will e-mail me with a little more info about your car I will try to help you.

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  • by nickworks on July 24th, 2006

    nickworks

    Well, it might be a suspension problem. But if it was, I wouldn't only do it when you press on the accelerator.

    IF it's a suspension problem, you can get an alignment, and your mechanic should tell you what parts might need replacement. However, the mechanic I went to wanted to charge me like $80 for a part that I found new for less than $15. So keep that in mind.

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  • by bebet_76 on July 23rd, 2006

    bebet_76

    Mechanics who looked at it says it is just a tune up fix. But it is not. Sorry but is there a TPS in my car model?

    It is jerking a lot when the engine is warm.

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