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Re: 96 IH 4900 DT466HT ERRATIC MISFIRE THAT SWAPNOSTICS CURES
Posted to HD/Fleet Forum on 5/24/2019 1 Reply

Rex, We had previously checked wastegate operation by actuating with regulated air pressure and all seemed well. Regardless, we pulled turbo and found that the valve was loose and could not seal. Able to move it about 100 thousandths with finger tip. Bought ne... Login to read more.

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