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Car is running real high idle - MX-3 Mazda Cars & Trucks

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Louie Role

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Hi again,

Any developments?


Posted on Aug 08, 2008


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  • 623 Answers

SOURCE: idleing to high

  1. throttle linkage resting against the carb rubber mount and not closing fully. Unusual problem which was cured by gently filing away part of the rubber mount.
  2. slightly deformed throttle linkage on the left carb which made it difficult for the spindles to return to resting position. Cured by dismantling and repositioning.
  3. the metal clamp linking the spindle bar to the accelerator pump rod was rubbing against the carb body, making return to the closed position difficult. Cured by dismantling and reassembling in the right position.
  4. length of the throttle rod was slightly too much. Cured by carefully turning in the plastic couplers and readjusting the holding nuts.
  5. slight air leak through bad gasket. Cured by replacing the gasket.

Posted on Jan 12, 2009


Steve Christmas

  • 699 Answers

SOURCE: some times when i start

Need to replase your throttle control sencor. The is what tell your cars computer to excelerate. . It could also be your fuel filter .But your make was common to have this problem. Take to a parts store near you and they will test for free. And you will know for sure. Wish you the best of luck.

Posted on Apr 05, 2011

SOURCE: high idle

My car is doing the exact same thing. I have taken it to 2 different repair shops and still the same problem. I am a lady and think that I am getting taken. I know what the Idle Control Module is, but what valve is it that you are talking about ?

Posted on Dec 08, 2011

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