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2005 Subaru Forester (Natl) X 4dr 2.5 Manual

2005 Subaru Forester (Natl)
Trim Info:
All Wheel Drive, 4 Door, 4WD Sport Utility
23 mpg city / 30 mpg hwy
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May 6, 2010, 5:22 pm

Joel G
 

Question: My XT Turbo has a rough idle. Otherwise runs very well.

Dealership indicates no codes are showing up. Yet it is a noticeable roughness when idling at traffic signals. Idle RPM is around 750. Has been serviced by Subaru dealerships since new at regular intervals. Any thoughts?


May 7, 2010, 11:27 pm

Richard W
Expert Mechanic

Well it should not be rough at idle. It could be a bad spark plug or ignition system problem. I would take it back to the shop and have them go on a test drive with you. So they can feel what you are talking about.


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