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Mack cxu 613 won't crank. Check fuel filter warning came on,
Mack cxu 613 won't crank. Check fuel filter warning came on, so I had them changed. After starting the truck, it slowly died. After using primer and cranking the truck again, this time with foot on pe… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,607 satisfied customers
2011 mack granite gu713 the def gauge shows empty but isn't
2011 mack granite gu713 the def gauge shows empty but isn't and have a code 140 278. 9 which is def level sensor. What I really want to know is when I try to crank the truck it does nothing it want tu… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,607 satisfied customers
I have a 2015 Mack CXU, just spent $15k at Mack dealer on
I have a 2015 Mack CXU, just spent $15k at Mack dealer on DPF, Knox Sensors, EGR value…left the dealer yesterday and truck is back in Derate. Help!!… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,607 satisfied customers
2014 mack with a cxu 613 mp7 and im having issues with this
2014 mack with a cxu 613 mp7 and im having issues with this engine having high crankcase pressure and is pouring it out of the pcv assembly, down to the vent tube. we have done an overhaul on it and b… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2017 Mack MRU 613 with an MP7 engine (concrete pump
I have a 2017 Mack MRU 613 with an MP7 engine (concrete pump truck). The engine intermittently is cutting off. Some days as often as 10-20 times. Other days (like today), it did not cut off once. Comp… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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My 2013 Mack CXU613 just cut off out of nowhere. I just
Second opinion] My 2013 Mack CXU613 just cut off out of nowhere. I just purchased it today. We're currently on the side of the road. I was told the truck shut off because we only filled one tank with … read more
Heavy Equipment Tech
Heavy Equipment Tech
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I have a 2014 mack cxu with a 12 speed mdrive auto trans and
I have a 2014 mack cxu with a 12 speed mdrive auto trans and it is not wanting to shift to the high range gears. It will only shift till 5th gear. Anyone know why?… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,607 satisfied customers
The ignition is not generating power. Make is Mack, model
I checked my batteries and alternator and it seems fine. I guess it's a wiring issue… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,607 satisfied customers
Truck is 2014 mack it start andstop running. 2014 mack
truck is 2014 mack it start andstop running JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Truck Mechanic I'm going to connect you with knows all th… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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When idling rpm is 12000 and accelerator no response. Mack
When idling rpm is 12000 and accelerator no response … read more
Mike Mcmillan
Mike Mcmillan
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I have customer with 2012 Mack CXU with MP7 engine.
I have customer with 2012 Mack CXU with MP7 engine. Vin#*****************, Engine #M744022881. Setting code SPN 5443, FMI 8. Have replaced DEF doser valve, tested wiring & connectors,checked DEF press… read more
Mike Mcmillan
Mike Mcmillan
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Putting on evo tech performance chip on 2015 mack cxu model
putting on evo tech performance chip on 2015 mack cxu model pinnacle mp8 … read more
Mike Mcmillan
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Ist hivin me thise Nox monitoring failure. 2012 mack cxu.
Ist hivin me thise Nox monitoring failure JA: What's the make/model/year of your truck? Engine type? Customer: 2012 mack cxu. Mp8 JA: Are you fixing your truck yourself? What have you tried so far? Cu… read more
Andy
Andy
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Vocational, Technical or Trade School
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Just bought 2014 Volvo 780. First run no book on symbles so
Just bought 2014 Volvo 780. First run no book on symbles so my def notice has been on. Checking ATS status soot light at 25 %. So starting out a stop light on dash and a large tow symble came on. Also… read more
Mike Mcmillan
Mike Mcmillan
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6,607 satisfied customers
The def gauge is stuck on empty but the tank is full. I
The def gauge is stuck on empty but the tank is full. I assume … read more
Expert
Expert
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2014 mack cxu 613 mp8 with m drive will not crank has acc no
2014 mack cxu 613 mp8 with m drive will not crank has acc no data on information screen in dash and gear selector has ** instead of n1 truck has lots of codes active when not cranking,tow truck in it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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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
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
i just replaced a def tank on a 2011 mack ,and now i have
i just replaced a def tank on a 2011 mack ,and now i have a red shut down engine icon on dash ,and the truck will shut down after 30seconds .the tank was replaced do to a leak near the bottom, the tru… read more
Toby
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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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