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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
Shop Foreman/Triage Tech
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6,307 satisfied customers
Working on a 2015 mack pinnacle with a mp8 engine. the
working on a 2015 mack pinnacle with a mp8 engine. the problem im having is it seems that the fuel seems to be loosing pressure when it sits so i have to crank it a while before it wil start. is there… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
Have a 2012 mack cxu613 mp8. Having trouble starting. Had
Have a 2012 mack cxu613 mp8. Having trouble starting. Had been priming filter by pushing the plunger on filter housing for 10-15 minutes it would eventually crank. Taken off line going to pressure rel… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
Have a 2014 mack. Changed the ignition switch a few days
Have a 2014 mack. Changed the ignition switch a few days ago. Drove the truck home it sat a few days now it turns over and not start.… read more
Bradey V
Bradey V
Certificate
I have a Mack MP8 360 EC01 engine with a CAM/CRANK fault
Hi, I have a Mack MP8 360 EC01 engine with a CAM/CRANK fault active, I don't have the timing tool, can you guide me to adjust the engine time? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
2012 mp8 cranks fine cold start hot low power code pdi 94
2012 mp8 cranks fine cold long start hot low power code pdi 94 fmi 7 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
2012 Mack mp8, fuel filter base/housing has a manual pump to
2012 Mack mp8, fuel filter base/housing has a manual pump to fill filters manually, that manual pump will not stay in … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
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
Associates
6,307 satisfied customers
I have the code p113000 on a Mack mp8. The code is exhaust
I have the code p113000 on a Mack mp8. The code is exhaust post-treatment fuel air bleed valve stuck closed. I'm trying to figure out where the valve is. Could you help with that? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
I have a 2012 mack with a mp8 engine. Getting codes mid128
I have a 2012 mack with a mp8 engine. Getting codes mid128 spn1127 fmi14 and spn94 fmi18 . Truck starts and idles perfectly. The vibration starts when loaded and accelerating when engine reaches 50mph… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
2009 Mack GU713 with a MP8-425M Hard start when sits
Second opinion] 2009 Mack GU713 with a MP8-425M Hard start when sits overnight cranks over then shuts off … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
It has started leaking fuel back out of the head overnight.
It has started leaking fuel back out of the head overnight. It is losing its prime.I was going to replace the check valve on the return line but do not know where it is located. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
2012 mack vision mp8 engine fuel is loosing prime after
2012 mack vision mp8 engine fuel is loosing prime after sitting over night also what hours power setting will it get best fuel mileage thanks… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
We put stainless injector cups with new injectors in a 2015
We put stainless injector cups with new injectors in a 2015 MP8 engine. We have all the trim codes programmed and it still will not crank. Turns over fine and the system is primed any help? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
2012 mack with a mp8 runs fine until put under a load then
2012 mack with a mp8 runs fine until put under a load then dies restarts easily idles fine … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,307 satisfied customers
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
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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
1,886 satisfied customers
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
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
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Daniel Wilson

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Jeremy

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cumminsdr

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Chris (aka-Moose)

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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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