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Old 06-30-2021, 09:38 AM   #7
voltdr
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Join Date: Jan 2008
Location: Texas
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Default Re: Duramax towing “engine reduce power”

Mine is also an LBZ. I bought a tuner that would check balance rates too. But it only checks them up to 1500 RPM. I also installed an AirDog system. The only thing that fixed it was replacing the injectors. I was told that it has to do with how much fuel was being returned .
Dan
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Dan Foley
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