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Related Medium and Heavy Trucks Questions
I have a p030600 code on my 2015 mack cxu613. Idle rough
I have a p030600 code on my 2015 mack cxu613. Idle rough when cold then go away is warm. No lose of power when up to temp. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 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
Triage Tech/Shop Foreman
Associates
561 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
Triage Tech/Shop Foreman
Associates
561 satisfied customers
I'm working on a 07 mack cxu613 mp8 has active coDes 128 84
I'm working on a 07 mack cxu613 mp8 has active coDes 128 84 fmi 9 & 5 also 144 84 9I've replaced road speed sensor at trans. Tailshft … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
I diagnosed Mack mp8 year 2014, the fault code is P20EE FMI
i diagnosed Mack mp8 year 2014, the fault code is P20EE FMI 00 AND P103C FMI OCCURED .what is the possible cause of these codes how to proper diagnose, how to read temp and diff pressure sensor readin… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
2009 Mack CXU613 getting ready to install a wetline kit,
2009 Mack CXU613 getting ready to install a wetline kit, there is a PTO switch in the dash... how do I hook that up to use… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 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
Looking for fuse box diagram for 2013 Mack CXU613. Mack
Looking for fuse box diagram for 2013 Mack CXU613 JA: What's the make/model/year of your truck? Engine type? Customer: Mack CXU613 Pinnacle MP8 JA: Are you fixing your truck yourself? What have you tr… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 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
Triage Tech/Shop Foreman
Associates
561 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
Triage Tech/Shop Foreman
Associates
561 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
Triage Tech/Shop Foreman
Associates
561 satisfied customers
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
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 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
Triage Tech/Shop Foreman
Associates
561 satisfied customers
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
Triage Tech/Shop Foreman
Associates
561 satisfied customers
My Mack mp8 is losing power under load turbo seem to be
Hi My Mack mp8 is losing power under load turbo seem to be showing boost no active codes but has inactive codes mid128 Psid44 fim14 and mid128 psid45 fim14 and they will not clear … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
2007 mack with an MP8 engine.The customer brought it to me
2007 mack with an MP8 engine.The customer brought it to me after spending over 20,000 at a mack dealer and having a delete done hoping it would fix his low power.i am not a Mack expert so it is a scho… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
Im going up a a screeching sound from my engine my truck is
Im going up a hill a screeching sound from my engine my truck is a 2014 mack cxu613 mp8 engine has 500k … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
ABS light is staying on located on trailer. Where to start
ABS light is staying on located on trailer. Where to start troubleshooting? … read more
Doug Barnowski
Doug Barnowski
HD truck tech
14 satisfied customers
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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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