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I have a 2015 Mack Pinnacle with MP8 engine, I am getting
I have a 2015 Mack Pinnacle with MP8 engine, I am getting fault code 'SPN 4094 FMI 1: NOx limits exceeded due to Insufficient Diesel Exhaust Fluid Quality'. Have checked for DEF quality, Aftertreatmen… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
2013 mack mp8 no fault codes shudders under accelerating or
2013 mack mp8 no fault codes shudders under accelerating or working hard … read more
Mike Mcmillan
Mike Mcmillan
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My truck just brake down now and I need assistance from
My truck just brake down now and I need assistance from technician please … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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570 satisfied customers
I diagnosed Mack mp8 year 2014, the fault code is P20EE FMI
i diagnosed Mack mp8 year 2014, the fault code is P20EE FMI 00 AND P103C FMI OCCURED .what is the possible cause of these codes how to proper diagnose, how to read temp and diff pressure sensor readin… read more
Mike Mcmillan
Mike Mcmillan
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2014 Mack 2014 Mack pinnacle dump truck, 215k miles, MP8
2014 Mack 2014 Mack pinnacle dump truck, 215k miles, MP8 engine & 10 speed transmissionIt was converted to a dump truck around 150k miles.Dash assembly looks like the truck was originally outfitted wi… read more
Mike Mcmillan
Mike Mcmillan
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Engine shutting off code spn 94 low fiel pressure. It shuts
it shuts off i wait 1minute fires up i go to move truck half blocock she will start sputtering fuel pressure drops i have laptop jpro hooked up … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2014 Mac CXU with a MP8 The VIN number is
Good morning I have a 2014 Mac CXU with a MP8 The VIN number is ***** I'm getting a couple of active trouble codes SPN 3251 FMI4 and p245 4 00 FMINA also a active brakes open or short shorted load sen… read more
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
Triage Tech/Shop Foreman
Associates
570 satisfied customers
2012 MACK MP8 ENGINE WERE IS THE CHECK VALVE FOR FUEL SYSTEM
2012 MACK MP8 ENGINE WERE IS THE CHECK VALVE FOR FUEL SYSTEM TRUCK BLEEDS BACK FUEL AFTER SITTING AWILE… read more
Mike Mcmillan
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2014 mack pinnacle with a mp8. What is the best way to
2014 mack pinnacle with a mp8 . What is the best way to remove the air compressor … read more
Mike Mcmillan
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Air compressor on my Mack pinnacle 2011 stop building air is
Air compressor on my Mack pinnacle 2011 stop building air is it something I can replace my self if so can you send instructions … read more
Bradey V
Bradey V
Certificate
After having a quacolmm instaled in a Mack CXU with a MP8
Hello,After having a quacolmm instaled in a Mack CXU with a MP8 engine the jake brake and cruise control has quit working. … read more
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I have an engine code on a mack with an mp8 engine spn 1127
hello i have an engine code on a mack with an mp8 engine spn 1127 fmi 14 and spn 1127 fmi 18 … read more
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Putting on evo tech performance chip on 2015 mack cxu model
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Need to force regen on Mack MP8. The sensors went out. 2014
Need to force regen on Mack MP8. The sensors went out … read more
Jeremy
Jeremy
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Associate Degree
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I have a 2013 mack mru613 with a mp7 engine it has a code
I have a 2013 mack mru613 with a mp7 engine it has a code spn 3490 fmi 12 mack says this is not there code the code description is aftertreatment 1 purge air actuator-bad intelligent device or compone… read more
Daniel Wilson
Daniel Wilson
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2010 MACK CHU613 ATC CODE 77 FMI 7 changed both front abs
2010 MACK CHU613 ATC CODE 77 FMI 7 changed both front abs sensors and modulators seem to power up ok. checked pins for corrosion and still cant get code to clear. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have an mp8 changed the egr cleaned the egr cooler and
i have an mp8 changed the egr cleaned the egr cooler and still have a pid 411 fmi 05,pid 503 fmi 04,pid 258 fmi 00, pid 506 fmi 04, pid 108 fmi 08 … read more
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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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