He does not own a Ford guys a Dmax does not boost 35-50lbs stock Again it is No big deal for a Duramax to trip the Overboost CEL over about 25lbs of boost it has happened to a lot of us that have tuners etc.. install a gauge a safe boost for a LBZ Duramax like mine is 26-34 lbs anything over that the EGT's skyrocket,I myself do not like going over 30 lbs on my LBZ and I think it is the same for a LML Duramax like yours,if you are boosting over the low 30's on a stock Dmax something is not right
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