Engine RPM's fluctuating during idling, @dealer now getting compression test.

Oct 29, 2010 | 08:34 AM

yulandop

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From: DFW Area

Engine RPM's fluctuating during idling, @dealer now getting compression test.

I'm wondering what the problem could be.
i'm getting compression testing right now at the Mazda dealer.

Oct 29, 2010 | 09:59 AM

nycgps

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From: Planet Earth

could be bad plugs, bad cat, bad coils, harness, tb and/or Engine.

let us know what happen

Oct 29, 2010 | 12:33 PM

dannobre

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From: Smallville

Or the clutch pedal switch...can cause a hunting idle.....

Oct 29, 2010 | 12:42 PM

DarkBrew

Extraordinary Engineering

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From: Burls On

Neutral switch if it happens only in neutral
Clutch switch if it happens only with the clutch depressed

If it's neither of these then what nycgps said

Oct 29, 2010 | 02:04 PM

yulandop

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From: DFW Area

It's an automatic, and it does it in neutral too. just had a compression test done, posted results.

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