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I have code on my semi truck mid 128 sid 147 fmi 14, 11 and
I have code on my semi truck mid 128 sid 147 fmi 14, 11 and 7 … read more
Gary A.
Gary A.
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Mack MP8 Camshaft timing with no marks on flywheel. Head was
Mack MP8 Camshaft timing with no marks on flywheel. Head was replaced at another shop now has camshaft code sid2 21 fmi 2 … read more
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I have a 2012 cxu613 mack with mp8 couple days ago engine
i have a 2012 cxu613 mack with mp8 couple days ago engine starts randomly killing when slowing down or stopping some times when just driving i also started loosing throttle pedal at random times resta… read more
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Mike Mcmillan
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I got a code and it says after treatment 1 scr conversion
I got a code and it says after treatment 1 scr conversion efficiency … read more
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Mack 2014 pennicle mp8 engine approx 200k miles dump truck.
Mack 2014 pennicle mp8 engine approx 200k miles dump truck.Power leash engine brake started cutting in & out under load rocking the engine trans & cab, like a truck with death wobble.I can recreate it… read more
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Mike Mcmillan
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I'm working on a Mack CHU613 that was bought from auction.
I'm working on a Mack CHU613 that was bought from auction. Has codes spn411 fmi7, spn1127 fmi18, and spn3226 fmi12. A new and updated differential press sensor, new NOX sensors, and verified for exter… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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I have a 2013 Mack CHU613 with the MP8 engine. 2013 Mack
-SPN 1072 FMI 4 -SPN 1127 FMI 18 -SPN 647 FMI 5 -SPN 4811 FMI 2 -SPN 4813 FMI 4 -SPN 1265 FMI 4 -SPN 3936 FMI 0 -SPN 1127 FMI 10 -SPN 1127 FMI 14 -SPN 411 FMI 7… read more
Mike Mcmillan
Mike Mcmillan
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I have a Mack MP8 445 with lose of power issue. Changed fuel
I have a Mack MP8 445 with lose of power issue. Changed fuel filters still having the issue … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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I have a 12 cxu613 mp8 engine All of a sudden today started
I have a 12 cxu613 mp8 engine All of a sudden today started missing really bad and started running WArM . pulled over let cool off full of water, fan working, starts back, cant go 2 miles before temp … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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Idled all nite, till now, all was fine. Tried to take off,
Idled all nite, till now, all was fine. Tried to take off, Regen message came on. Then shut engine light off came on. 2 codes appeared, the 2nd went away. 2008 Mack CXU613 MP8 445. SPN 3936, SPN 641/F… read more
Mike Mcmillan
Mike Mcmillan
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Will inframe mp8 does not run correct. Mack mp8 think 09
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Mike Mcmillan
Mike Mcmillan
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I got a 2017 mack mp8 445 and i have a fault code SPN 5357
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Mike Mcmillan
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Assist malfunction. 2011 chu613 mack mp8. Not sure what
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2005 mack 460 theses are the coda 250. 254. 269. 277. 242.
2005 mack 460 theses are the coda 250. 254. 269. 277. 242. … read more
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Daniel Wilson
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2011 Mack MP8 lost power. Now it turns over good but kicks
2011 Mack MP8 lost power. Now it turns over good but kicks out before it starts … read more
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Mike Mcmillan
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I recently retuned my MP8 deleted the DPF and egr and gave
I recently retuned my MP8 deleted the DPF and egr and gave it 48 more hp it now doesn't want to pull can hardly make 100 km per hour loaded … read more
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Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Under load on or steep incline it starts to get a miss along
Under load on long or steep incline it starts to get a miss along with some black smoke … read more
Curtis B.
Curtis B.
Technician
Associate Degree
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I'm looking at a 2012 CXU613. Has the MP8, Fuller RTL018918B,
I'm looking at a 2012 CXU613. Has the MP8, Fuller RTL018918B, and 3.58 rears. What problems do I need to know about the MP8 regarding reliability, fuel/oil consumption? Any valve train or after treatm… read more
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Jeremy
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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