Medium and Heavy Trucks

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I have a 2016 mack cxu613 with mp8 motor and m-shift
I have a 2016 mack cxu613 with mp8 motor and m-shift transmission. It has a check engine light for crank position sensor circuit fault. Fault codes are p0335, p0336, p0339. Crank position sensor was r… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,176 satisfied customers
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
Shop Foreman/Triage Tech
Associates
6,176 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
Shop Foreman/Triage Tech
Associates
6,176 satisfied customers
2013 mack cxu613 starter problem. 2013 mp8. Replaced
2013 mack cxu613 starter problem JA: What's the make/model/year of your truck? Engine type? Customer: 2013 mp8 JA: Are you fixing your truck yourself? What have you tried so far? Customer: replaced st… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,176 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
Shop Foreman/Triage Tech
Associates
6,176 satisfied customers
ATS fault 2016 Mack CXU613. 2016 mack mp8. Nothing need
ATS fault 2016 Mack CXU613 JA: What's the make/model/year of your truck? Engine type? Customer: 2016 mack mp8 JA: Are you fixing your truck yourself? What have you tried so far? Customer: Nothing need… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Will not start it's stuck in reverse 2010 Mack cxu613 mp8
Will not start it's stuck in reverse 2010 Mack cxu613 mp8 engine Eaton fuller transmission automatic … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,176 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 had a transmission code pop up on our Mack cxu613. 2015
I had a transmission code pop up on our Mack cxu613 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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Air compressor on my Mack pinnacle 2011 stop building air is
Air compressor on my Mack pinnacle 2011 stop building air is it something I can replace my self if so can you send instructions … read more
Bradey V
Bradey V
Certificate
Idled all nite, till now, all was fine. Tried to take off,
Idled all nite, till now, all was fine. Tried to take off, Regen message came on. Then shut engine light off came on. 2 codes appeared, the 2nd went away. 2008 Mack CXU613 MP8 445. SPN 3936, SPN 641/F… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,176 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
Shop Foreman/Triage Tech
Associates
6,176 satisfied customers
I got a 2017 mack mp8 445 and i have a fault code SPN 5357
Hi i got a 2017 mack mp8 445 and i have a fault code SPN 5357 FMI17 it says fuel injection quiantaty error for multiple cylinders … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,176 satisfied customers
I have a 2010 Mack with a MP8 engine. I was wanting to know
I have a 2010 Mack with a MP8 engine. I was wanting to know if a turbo charger super charger from a 2013 Mack MP8 engine would work on the later model engine ?… read more
Kent Van Wagner
Kent Van Wagner
40 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
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Vocational, Technical or Trade Scho
5,115 satisfied customers
Second opinion] 2014 mack cxu613 MP8 codes P20EE00 AND
Second opinion] 2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH NOX SENSOR,NO CODES NOW BUT CAN NOT REGEN AND TRUCK STILL HAS SERVICE DEF ON INFORMATION SCREEN AND IS DERATED… read more
Daniel Wilson
Daniel Wilson
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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
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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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