just can't quite put my finger on it. pulling a heavy load yesterday and pyro started to go up 1150 deg. the most it will ever get is 900deg. at 1150 I would back out of it. and lost some boost 27 to 30lbs. checked all the possible things. turbo, cac,boot hoses, air filters ecm for codes, fuel pressure, nothing wrong. bobtailed home ran fine even produced boost 35 to 40lbs. what am I missing?
high egt's low boost
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Superhauler, Sep 18, 2014.
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check muffler and exaust flap. What engine? year? ISX 870?
EverLuc Thanks this. -
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