weird idle - Diesel Bombers



Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

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Old 11-10-2017, 07:27 PM
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Default weird idle

Hi everyone.
first time posting. I have been having weird idle in P and N also when decelerating. Truck runs fine plenty of power. Idles fine when in gear also idles normal in P/N when AC is on and when i disconnected power from lift pump. I do have mods on the truck and to me it seems like a fule problem im suspecting FPRV it is stock. Any imput would be appreciated its driving me crazy
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Old 11-11-2017, 09:00 AM
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Any suggestions before i start throwing more parts at it
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