2000 Other Mazda Models Idling high

2000 MAZDA
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BROWNBOY
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Engine problem
2000 Other Mazda Models 6 cyl Wheel Drive Type unknown Manual 77800 miles
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My Millenia is idling very high what could be the problem.
Jan 3, 2008 at 6:39 AM
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MHPAUTOS
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Hi there, the first thing to do is have any set fault codes attended to, you need a special service tool installed before adjusting the idle speed. so don't touch anything. You can have a listen around the manifold with a length of hose to your ear to check for any vacuum leaks, (you will hear them ) try this first,.

mark (mhpautos)
Jan 4, 2008 at 7:15 AM