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Old 04-05-2013, 09:37 PM   #2
Sigh-on-Rice
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There is an idle dip issue where the engine would idle at 600 RPM but once in a while it drops to 500 RPM and jumps up to 800 RPM.

I've never heard on low idle issue.
What you described is a normal operation.
When the engine is started cold, it idles at higher than 1000 RPM.
The idling RPM would slowly go down to 600 RPM as the engine warms up.
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