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01-27-2010, 12:51 PM
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#1 |
 Drives: 2010 Hatchback Join Date: Jan 2010
Location: Denver
Posts: 9
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Fluctuating RPM
After the engine is warmed up and in idle the RPM continuously cycles between 400 and 600. It will be running smooth at 600, then the RPM drops to 400, where it runs rough for a few seconds, then the RPM increases to 600 where it runs smooth for a few seconds, etc. It has done this since the car was new. Is this normal?
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