Knocking noise when starting

2006 CHEVROLET IMPALA
153,000 MILES
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BRIANADARICE
  • MEMBER
  • 1 POST
2006 Chevrolet Impala with over 150 thousand miles. when I start the car there is this knocking noise sometimes it knocks when I accelerate. I haven't noticed if it knocks when the engine is warm, but it does once its been sitting overnight or for just long periods of time.
Jun 2, 2012 at 6:02 PM
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
have a pro check this for a better diagnosis as we can't hear it. If your oil light comes on them it may be a bottom end problem. make sure to check your oil. engine must be off when you do that. it's the yellow dipstick
Jun 2, 2012 at 6:20 PM
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