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Discussion Starter #1
Anybody know what would be causing this issue at idle?


The truck is deleted with tune. EGR and Throttle Body valves are unplugged. My tuner is clueless on what could be causing it. I get the same noise regardless of HP tune I run 0-90. It only makes this noise when the truck is up to temp and has been run and then parked and idle. Does not do it on cold starts at idle.

I'm stumped on the issue hoping someone here has an idea, because it's driving me nuts!

Thanks!
 

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You got it all fixed up right? Believe you on on FB groups also.
 
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