popping noise when accelerator released - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 08-21-2008, 05:35 PM Thread Starter
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popping noise when accelerator released

My 2005 Ford F350 6.0 liter makes a popping noise when the accelerator pedal is released. Usually when I accelerate and let off I can hear a popping, hard to describe noise. It is a low pitch noise and pops 4 or 5 times. Everything else seems normal, some turbo lag, but performance seems normal. I am new to the truck and it may be a normal thing. Any thoughts???
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post #2 of 9 Old 08-21-2008, 05:36 PM
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aftermarket exhaust??? or air intake???



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post #3 of 9 Old 08-21-2008, 05:37 PM
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sometimes you will here a bunch of turbo flutter out the air intake if you let off the pedal quick or maybe if you have aftermarket exhaust it is rubbing on the tranny...i have had that happen before but it seems to do that only under hard acceleration...thats all i know



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post #4 of 9 Old 08-21-2008, 05:48 PM Thread Starter
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popping noise.

thanks for your reply. The truck is stock as stock can be. 138 k and no aftermarket stuff yet. It does sound like a flutter noise only after mid to hard accel and release. under normal cruise or heavy accel and release there is no noise. I am a diesel mechanic at a GM shop and used to work at a Ford shop years ago. Never heard this type of noise. thought you might know of common concern, seems like intake noise. thanks again!!
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post #5 of 9 Old 08-21-2008, 05:55 PM
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If it's a chugging noise, that's just "turbo fart." It's just the surge air going back through the turbo. All 6.0s do it from time to time, especially when cold.


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post #6 of 9 Old 09-09-2008, 12:28 PM
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the turbo fart is not actually good for the turbo it puts stresses on the shaft and blades that they are not designed to deal with and overtime it will start to cause problems a blowoff valve can solve this problem plus it sounds a hell of alot better then the fart
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post #7 of 9 Old 09-10-2008, 04:53 PM Thread Starter
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blow off valve

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Originally Posted by pitamarillo84 View Post
the turbo fart is not actually good for the turbo it puts stresses on the shaft and blades that they are not designed to deal with and overtime it will start to cause problems a blowoff valve can solve this problem plus it sounds a hell of alot better then the fart
Who makes a blow-off valve for a 6.0 litre PSD.
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post #8 of 9 Old 09-10-2008, 05:41 PM
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I got mine from elitedieseleng.com I'm sure that one of the sponsors carry them there are pics of it installed in my gallery it makes a night and day differnce
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post #9 of 9 Old 09-11-2008, 12:56 AM
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it's normal however not good for the turbo.

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