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2015 Mack CHU613 headlamps work on high beam only, when you
2015 Mack CHU613 headlamps work on high beam only, when you switch to low, they shut off … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,633 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
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Mike Mcmillan
Shop Foreman/Triage Tech
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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
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Mike Mcmillan
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We have a 2008 Mack 618 CHU with MP8, truck dies in 9th and
We have a 2008 Mack 618 CHU with MP8, truck dies in 9th and 10th gear on road. Have replaced all the fuel lines and fuel pump and fuel filters and housing. Any ideas?… read more
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Mike Mcmillan
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2014 mack Pinnacle MP8 engine truck cranks over but will not
2014 mack Pinnacle MP8 engine truck cranks over but will not start unless the throttle pedal is quickly pumped, and it still takes several attempts.truck will start normally if running, shut down and … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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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
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Mike Mcmillan
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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
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Associates
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I replaced, 3 injectors on my mp8 and now it won't start it
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Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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My 2015 Mack won't turn over. I have dash lights but starter
my 2015 Mack won't turn over. I have dash lights but starter won't engage. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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When truck is pulling a heavy load at 1000 to 1200 rpm it
When truck is pulling a heavy load at 1000 to 1200 rpm it shakes and vibrates until it gets above 1400 rpm. … read more
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We put stainless injector cups with new injectors in a 2015
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Mike Mcmillan
Mike Mcmillan
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2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9. 2010
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Mike Mcmillan
Shop Foreman/Triage Tech
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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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Mechanical problem, Mack 2014 CHU613 power steering quit and
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Mike Mcmillan
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Mp8 will not turn over with the key switch. Mack truck 2007
mp8 will not turn over with the key switch JA: What's the make/model/year of your truck? Engine type? Customer: mack truck 2007 chu613 JA: Sometimes things that you think will be really complicated en… read more
Daniel Wilson
Daniel Wilson
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2015 MACK CHU613 VIN: 1M1AN07Y0FM018730 -truck will not
2015 MACK CHU613 VIN: 1M1AN07Y0FM018730 -truck will not regen i am getting two active codes p113000 Exhaust aftertreatment fuel air purge valve stuck closed p246300 Particulate filter restriction - so… read more
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Daniel Wilson
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I have a 2010 Mack chu truck mp8 engine that quit going down
I have a 2010 Mack chu truck mp8 engine that quit going down road backfired and shut down it won't crank over checked every fuse powe to dash has codes of mid140ppid278fmi9 def gage reads empty but fu… read more
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Daniel Wilson
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Hi. I have a 2008 Mack truck with the MP8 engine. I have to
Hi. I have a 2008 Mack truck with the MP8 engine. I have to replace the intermediate idler gearset. My question is, how much stuff do I have to remove from the front side of the bellhousing? Starter, … 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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