I have a 2000 Mazda 626 with a little over 100,000 miles. when you start it, it revs really high, then after about 5 seconds, slows down and goes up and down a few times. when you drive it it runs great. No check engine light etc. any suggestions? thanks

5

Asked by Jul 29, 2015 at 10:45 PM about the 2000 Mazda 626

Question type: Maintenance & Repair

Only revs up when it is idling, after running it slows down, but when driving runs with no problem

1 Answer

257,965

Clean the throttle body and IAC and see if that helps.

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