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2006 Chrysler 300 loud tapping underhood

Tiny
AN WILSON
  • MEMBER
  • 2006 CHRYSLER 300
  • V6
  • AUTOMATIC
  • 75,000 MILES
The last 3 weeks my car has a loud tapping sound it sound like its out of oil but i've had it changed last week, and it's the right level, also I was told to change from reg unleaded to the premium it did the last 2 times I put 15.00 in so can you help me
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Monday, February 10th, 2014 AT 1:15 PM

1 Reply

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
A car that needs higher octane gas usually has just a light chatter that gets slightly louder when the engine is revved. This loud knocking sounds more serious to me especially if the high test fuel made no change. Sounds like a bent or burnt valve
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Monday, February 10th, 2014 AT 4:54 PM

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