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Related Medium and Heavy Trucks Questions
Check engine light came on with two codes: FMI 5 and SPN
Check engine light came on with two codes: FMI 5 and SPN 3216 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Have SPN 5246 Fmi 16 on a mack. 2011 Mack CXU. Mack mp8. I
Have SPN 5246 Fmi 16 on a mack JA: What's the make, model, and year of your heavy truck? Customer: 2011 Mack CXU JA: What's the engine type and size? Customer: Mack mp8 JA: Is there anything else the … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
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
I have a 2012 mack chu613 with an mp8 in it it keeps giving
I have a 2012 mack chu613 with an mp8 in it it keeps giving me a scr performace low service scr system and parked regen needed and the truck is derated … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I have a 2015 mack mp8 engine that will not stay out of
I have a 2015 mack mp8 engine that will not stay out of derate mode says poor def quality service def we have clleaned filters new in and out senseors doser valve put new vavles behind the starter and… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
NOT CAR DIESEL TRUCK MACK 2013. II NEED HELP WITH FAULT
NOT CAR DIESEL TRUCK MACK 2013 JA: What type of fuel do you typically use? When was your last oil change? Customer: II NEED HELP WITH FAULT CODES JA: What's the make/model of your 2013 truck? Customer… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Mack 2016 CHU, MP8. Only code is for the daytime head
Mack 2016 CHU, MP8. Only code is for the daytime head lights. No eml or mil on. Checked codes several times and restarted PTT. Truck has Temp system lockout check light on and kicks out of forced rege… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
How are you, i am in very big problem mack truck mp8 cxu613
hi sir how are you, i am in very big problem mack truck mp8 cxu613 one million kms year 2014. fault codes report attached .truck takes regen everyday during the heavy load and some times twice a day. … read more
Mike Mcmillan
Mike Mcmillan
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My 2015 kenworth t680 is not doing regeneration on its own
My 2015 kenworth t680 is not doing regeneration on its own unless is force what could be the cause of the problem?… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
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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
Triage Tech/Shop Foreman
Associates
570 satisfied customers
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
Mike Mcmillan
Triage Tech/Shop Foreman
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Problem with dpf won't regen starts and stops what di you
Problem with dpf won't regen starts and stops what di you think of drilling 1 in wholes in muffler to trick reg computer to thing every thing is ok 2008 mack mp8 engine… read more
Mike Mcmillan
Mike Mcmillan
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Regenwont. Stop. Regen. 2011 Mack mp8. Muffler came off had
Muffler came off had that mounted properly. Add ed. DPF. Filter. Cleaner … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Second opinion] 2014 mack cxu613 MP8 codes P20EE00 AND
Second opinion] 2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH NOX SENSOR,NO CODES NOW BUT CAN NOT REGEN AND TRUCK STILL HAS SERVICE DEF ON INFORMATION SCREEN AND IS DERATED… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH
2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH NOX SENSOR,NO CODES NOW BUT CAN NOT REGEN AND TRUCK STILL HAS SERVICE DEF ON INFORMATION SCREEN AND IS DERATED… read more
Expert
Expert
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2012 mack mp8 asking for regen after dpf and doc was cleaned
2012 mack mp8 asking for regen after dpf and doc was cleaned and forced into regen afterwards… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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i have a 2010 mack MP8 that wont complete it s regen
Hello i have a 2010 mack MP8 that wont complete it s regen starts then stops screen says that DPF needs service but was cleaned 4 months ago is cleaning intervals normally this close? an error also co… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
2008 Mack Granite GU 813. MP8 engine. lighting bolt is
2008 Mack Granite GU 813. MP8 engine. lighting bolt is on @ dash. blue regen switch is blinking. performed regen. before and after having dpf filter cleaned both lights are still on.(blinking regen sw… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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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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