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

10-29-2010 | 08:34 AM

#1

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.

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10-29-2010 | 09:59 AM

#2

nycgps

Out of NYC

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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

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10-29-2010 | 12:33 PM

#3

dannobre

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From: Smallville

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

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10-29-2010 | 12:42 PM

#4

DarkBrew

Extraordinary Engineering

Joined: Oct 2005

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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

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10-29-2010 | 02:04 PM

#5

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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