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Turbo Cough 6.7?

   
Old 02-12-2009, 02:04 PM
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Turbo Cough 6.7?
Looking to see if anyone else is getting a turbo cough or chatter sound with these new trucks. Truck is getting near 30k and it just seemed to start happening in the last 3k or so. If so what is the cause and is thier a fix.

Thanks in advance
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Old 02-12-2009, 02:16 PM
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Not getting it on mine and I have 29k on it.
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Old 02-12-2009, 09:10 PM
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I have it on my 08 3500 with 64000. miles. Its done it since I put on my S & B intake system @ 200 miles. Haven't found a cure yet.
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Old 02-12-2009, 11:11 PM
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Question
yeah my last 6.7 would do it bad when i pulled loads and got into the pedal...Around 22k on it b4 i wrecked it!
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Old 02-14-2009, 09:26 AM
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Mine does it at low speeds on half throttle or more then lifting slightly(traffic). Sounds to me like the wastegate bouncing on a 5.9, but quieter.

Chris
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