2005 Chevrolet Malibu Car Running Rough M Idled Heat C On Other Day Actually

2005 CHEVROLET MALIBU
68,000 MILES
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ANONYMOUS
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My car is running rough when I'm idled and the heat or A/C is on. The other day I was actually driving and my RPM's were bouncing back and forth from 500 to 2,000 like crazy. My engine was revving. What could this be?
Dec 14, 2012 at 9:12 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
So it will only do it when the heat is on or ac is on when it does it at idle?Also does it have auto climate control or manual one?
Dec 14, 2012 at 9:21 AM
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