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Engine running rough I think the water pump is bad

Tiny
JOHNKAYSER
  • MEMBER
  • 2003 CHEVROLET MALIBU
  • 117,000 MILES
2003 malibu running rough temp not overheating I think the water pump is not working will the car run rough even if the water temp is not overheating. It loks like at one time antifreeze came from water pump. Car started to ruh rough like it had water in gas temp not overheating. Water resevoir is full and fans work
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Tuesday, October 4th, 2011 AT 5:05 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would start with a compression test. A leak down test will confirm no head gasket issue. Then the plugs, wires, coils need to be checked as well.

Was the check engine light on? If so, what code.

Roy
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Tuesday, October 4th, 2011 AT 5:25 PM

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