Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

Adjusting 6.2 idle

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Old Jul 14, 2014 | 06:42 PM
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Finn92's Avatar
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Diesel Fan
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From: GreatWhiteNorth
Default Adjusting 6.2 idle

My truck will high idle then drop to what appears 400 rpm at idle. I tried adjusting the high idle solenoid and i was getting high idling at 2500 rpm so I quickly turned the pin back.
I dont want to mess with diesel pooling in my engine.

Do I adjust that black screw thats below the high idle solenoid that's farther in?

Thanks for input
 
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