Question about 1996 Mazda Protege

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RPM's will not stay at a steady pace

When the car is in park, the rpms will be at 750 rpms, but when you put it any gear (drive or reverse), the rpms will drop to the point that it will either run really rough or it dies. i had changed the plugs, wires, dist. cap, dist. rotor, and the air flow sensor that is located at the the top front part of the breather area, then when you put it back into park, the rpms will not be at 750, it will be at a lower rpm.

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  • Anonymous Mar 21, 2014

    Rpms drop when car warms up, Idle is rough, and when air is turned on rps do not pick up. Also compresser belt squeals

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Have you thought about the idle air control (iac) or T.p.s sensor try unpluging the Iac see what happens. Just a thought also listen for a vacum leak

Posted on Jun 27, 2009

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Have your idle speed control checked.take it to dealership they will have to check it.

Posted on Jun 27, 2009

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