Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
Mack CXU 613 MID 128 PPID 270 FMI 12. How I could be sure
Hi! Mack CXU 613 MID 128 PPID 270 FMI 12. How I could be sure it's inlet or outlet NOX? Thanks! … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
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
6,618 satisfied customers
2017 Mack CXU 613 vin: ***************** getting an ABS code
2017 Mack CXU 613 vin: ***************** getting an ABS code SPN 807: Dif 2 ASR Valve FMI 5… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,618 satisfied customers
I forgot my cab light on overnight in my 2015 mack cxu. It
Hello. I forgot my cab light on overnight in my 2015 mack cxu. It drained my 7yr old batteries tremendously. I couldn't start the vehicle without getting a jump several times. I replaced the batteries… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,618 satisfied customers
I have a 2014 Mack model CXU 613 I have trouble code SPN4364
I have a 2014 Mack model CXU 613 I have trouble code SPN4364 & I have replaced a NOX sensor before but OS there a up stream & a down stream sensor ? Engine in truck is a MP8445E… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,618 satisfied customers
WORKING ON A 2013 MACK CXU 613. THIS TRUCK HAS THREE
WORKING ON A 2013 MACK CXU 613. THIS TRUCK HAS THREE CIGARETTE LIGHTER LOCATIONS ON THE INSTRUMENT PANEL. WHICH FUSE SUPPLIES THE POWER ? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,618 satisfied customers
I have a 2014 mack cxu 613 with the mp8 engine. I just
I have a 2014 mack cxu 613 with the mp8 engine. I just replaced the cam on it. I wanted to know what the break in procedure is for the new cam… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,618 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
6,618 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
Shop Foreman/Triage Tech
Associates
6,618 satisfied customers
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
71 satisfied customers
Can you tell me what is this codes o my 2011 Mack prelude
Can you tell me what is this codes o my 2011 Mack prelude cxu613 codes MID 144 , psid 34 , fmi 4 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 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
6,618 satisfied customers
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
6,618 satisfied customers
Have a 2012 Mack with a mp7 had a code for fan clutch had it
Have a 2012 Mack with a mp7 had a code for fan clutch had it in a shop they verified I replaced the fan clutch no codes now but still have no manifold pressure are boost pressure … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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 have a 2010 mack cxu 613 with codes MID 128 PPID 326 FMI
I have a 2010 mack cxu 613 with codes MID 128 PPID 326 FMI 11 also had another code MID 128 PPID 270 FMI 5 stop engine light is on and dpf regen light is flashing. We already had the DPF cleaned and w… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
engine is a MP7 In a mack cxu, idles good, throttle response
engine is a MP7 In a mack cxu, idles good, throttle response is o.k. seems to have flat spot in engine, no engine codes, boost pressure wont go over 6lbs, also engine willl get to 50MPH o.k. but very … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x