I have a 2007 Mack granite MP7, the idler pulley locked up yesterday and shredded the belt. I got it put back together and now the truck is derated and I can't figure out why. The only code is MID 128 PID 354 FMI 5 which is the air intake humidity sensor. Will this sensor derate the truck? Thanks.
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Dojo
I have a 2007 Mack granite MP7, the idler pulley locked up yesterday and shredded the belt. I got it put back together and now the truck is derated and I can't figure out why. The only code is MID 128 PID 354 FMI 5 which is the air intake humidity sensor. Will this sensor derate the truck? Thanks.
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