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I have mack 2013 cxu mp8 engine have check engine light 5394
i have mack 2013 cxu mp8 engine have check engine light 5394 4 code. replaced nox sensor light came back on. same code. i was told to clean def doser valve spray nozzle. i did that in el paso last nig… read more
Joe Green
Joe Green
65 satisfied customers
Speedometer quits working and the truck loses power. 2013
speedometer quits working and the truck loses power. 2013 mack mp8 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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I have in my shop a 08 cxu 613 Mack with mp8 engine has
I have in my shop a 08 cxu 613 Mack with mp8 engine has active codes for 1,2,3 injector open circuit. I suspect a broken wire. Mack says the wiring harness is 1 piece for complete engine, if I had the… read more
Joe Green
Joe Green
65 satisfied customers
Its saying this but its got to be simple its shifting all
its saying this but its got to be simple its shifting all gears not missing a beat shifting its just. crazy one min it drives good. Like nothings wrong then its goes to stoping at a complete stop like… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2012 cxu613 mack with mp8 couple days ago engine
i have a 2012 cxu613 mack with mp8 couple days ago engine starts randomly killing when slowing down or stopping some times when just driving i also started loosing throttle pedal at random times resta… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2008 mack mp8, vin 1m1ano7y68n001945. I pulled the
i have a 2008 mack mp8, vin 1m1ano7y68n001945. I pulled the head ans am in need of engine timing specs.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2012 Mack CXU 613 VIN #***************** with 12 speed auto
2012 Mack CXU 613 VIN #***************** with 12 speed auto transmission. Rear service brakes will apply and not release when shifting transmisiion into reverse intermittently, has not happened when s… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,165 satisfied customers
I had a fan belt break on my 2008 Mack CHU613 Pinnacle and
I had a fan belt break on my 2008 Mack CHU613 Pinnacle and the connected for the fan side control clutch ripped off. I need to know how to rewire without buying the entire assembly. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,165 satisfied customers
I have a Mack 2011 with mp8 it shakes badly when it reach
I have a Mack 2011 with mp8 it shakes badly when it reach above 50 I have change the fuel filter housing and still the same I have to gear down from 10 to 9 speed because the vibration is really bad what can be the possible problwm … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,165 satisfied customers
2014 Mack CXU 613 is not getting fuel after new filter
2014 Mack CXU 613 is not getting fuel after new filter housing and fuel pump. Is there a complete fuel system diagram?… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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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
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,165 satisfied customers
HAVE A 2011 GXU 613 MACK MP8 ENGINE FUEL LEAK DOWN OVERNIGHT
HAVE A 2011 GXU 613 MACK MP8 ENGINE FUEL LEAK DOWN OVERNIGHT REPLACED FILTER BASE TRYING TO FIND OUT IF FUEL SHOULD COME OUT OF RETURN FUEL LINE WHILE PRIMING FILTERS THE PRIMER VALVE WAS LEAKING FUEL… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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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
Mike Mcmillan
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My name es Nestor. Mack/Cxn613/2006/5G0724. I need the vecu
hi JA: Hi. How can I help? Customer: my name es Nestor JA: What's the make/model/year of your truck? Engine type? Customer: Mack/Cxn613/2006/5G0724 JA: Are you fixing your truck yourself? What have yo… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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2011 Mack CHU-613 Mack MP8 will not crank. When I turn the
2011 Mack CHU-613 Mack MP8 will not crank. When I turn the ignition switch I can hear the relay click on top of dash relay panel but I do not get voltage to starter. I have good battery voltage at sta… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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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
6,062 satisfied customers
Location of brake light switch 2012 mack cxu 613 with
location of brake light switch 2012 mack cxu 613 with automated transmission truck will not shift out of neutral when pressing brake pedal and has no brake lights on tractor message across screen says… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I just bought a 2015 Mack CXU-613 heavy haul truck. During
I just bought a 2015 Mack CXU-613 heavy haul truck. During the first week of operation (2,700 highway miles), the oil temperature has always stayed around 240-244F, while oil pressure gauge shows 45-5… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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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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