Question about MTX Ford Explorer/Mercury Mountaineer/Mazda Navajo 1991-2001 Thunderform Loaded with 10 Inch Woofer and ... Car Speaker

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Rough idle on 1991 mazda navajo

I have a 91 navajo with 105,000 miles on it I have already replaced the following.....IAC,MAF,IGNITION COIL,PLUGS/WIRES,O2 SENSOR, AND YET I CONTINUE TO HAVE ROUGH IDLE, it runs great has good power but idle is bad , at this point it is driving me crazy any one got any ideas....thanks

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It is the throttle positioning sensor about 40 dollars at your local parts store.

Posted on Jan 08, 2009

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