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turn the key off, unplug the plugs on the E.E.C.U.   If there is engine oil in any of the sockets of the E.E.C.U.  you will need an engine harness..  jojo

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ok,  well, many times on these MP's. when there is a lot of codes,  we find oil in the EECU sockets, and it causes multiple codes..  with that said, I will step back and watch, because I have been away from these engines for 4 years now, and I dont have the skill set that i used to have...  There are several others that will see this post and help you..   Jojo

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The CTP and CXP were only made in 2007 and the first Mack’s to get the MP7 . It’s kinda a unique engine as it used the Mass flow sensor from the ASET AC engine to read EGR flow and temp and also used the Centrimax oil filter from the ASET engines.  Best part is no DPF filter and of course no DEF. Sadly it was only produced one year. I believe the 5 you are seeing in the code readout is actually a S for SID .  MID 128 is the engine ecm reporting the fault . SID 3 and 5 would be the injectors on 3 and 5 .  The PPID 35 code I think is for the EGR flow. The mass flow sensor on them go out like crazy. 

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