leehoell
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Posts posted by leehoell
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found the problem, accidently put outlet sensor for a cummins on it. looks the same. got new one from mack today, seems to be ok now. while regenning though with vcads, i try to look at sensor parameters and neither nox sensor shows a reading. both show zero. all other parameters read ok, regeant psi, boost, temps. any one else had that problem
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got two trucks in shop, both 2011 granite with mp8, keep getting 3226-9 codes abnormal update rate. checked wiring, supply, ground, 120 ohm resistor, all ok. one was at mack dealer and they said they dont really know what causes it, but a new set of injectors usually fixes it. that doesnt sound right. we replaced both nox sensors. any one got some suggestions?
mp8 3226-9 outlet nox abnormal update rate
in Engine and Transmission
Posted
take that back, got outlet to read, was 510 during regen, then droped to 76-79 at end and when finished. inlet never did read though.