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Q: Excelarting on 2007 Chevrolet Malibu

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
When you excelarate it makes a knocking noice
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Knocking noises are generally not good. The good news in your case is that your Malibu may still be covered by the factory warranty. Make sure your engine oil is full - check the level using the oil dipstick. You may wish to take your car to your local GM dealer and have them find out what is causing the noise and if your warranty will cover the repair. Please post the fault with your care after the problem is diagnosed and if GM will cover the repair or not.
Replace transmission fluid if this has not been done in 50,000 miles. Car will accelerate with less effort from engine.
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