Question about 1992 Mazda MX-3

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Idle problems I have a 92 Mazda MX-3 with 180,000 miles. It idles really bad where it will start to rev up on its own and then drop back down then rev back up again. The check engine light is on, but I don't know how to check it.

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I don't know, but i'm pretty sure there is a throttle position sensor of sorts on there. that sounds like the reason. as far as that and your check engine light, go to autozone or advance auto and get them to check it for free. or go to your local garage and have them read it (may cost you, may not). if you go to one for free be prepared, take a pen and paper to write down whatever the codes are. this way you can have the info for your mechanic or you can fix yourself.

Posted on Sep 23, 2008

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