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.
Question
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.
Link to comment
Share on other sites
0 answers to this question
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.