Thread: A/C Help
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Old 09-27-2013, 11:07 PM   #14
Starglow
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Quote:
Originally Posted by Matthew View Post
My car idles really rough when my a/c is on when the car is in drive or reverse does anyone know why?

The AC compressor puts an extra load on the engine when the clutch is engaged. It could be the compressor is binding up a bit...hard to tell without seeing it in person but if that's the case the compressor is going bad.
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