Medium and Heavy Trucks

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Have SPN 5246 Fmi 16 on a mack. 2011 Mack CXU. Mack mp8. I
Have SPN 5246 Fmi 16 on a mack JA: What's the make, model, and year of your heavy truck? Customer: 2011 Mack CXU JA: What's the engine type and size? Customer: Mack mp8 JA: Is there anything else the … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,460 satisfied customers
Truck will not regen even with a forced regen have a code of
Truck will not regen even with a forced regen have a code of P009B13 have changed the pressure relief valve and the fuel filter dosing module … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,460 satisfied customers
NOT CAR DIESEL TRUCK MACK 2013. II NEED HELP WITH FAULT
NOT CAR DIESEL TRUCK MACK 2013 JA: What type of fuel do you typically use? When was your last oil change? Customer: II NEED HELP WITH FAULT CODES JA: What's the make/model of your 2013 truck? Customer… read more
Mike Mcmillan
Mike Mcmillan
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6,460 satisfied customers
I have a 2012 mack pinnacle with a mack mp8 engine. I have
I have a 2012 mack pinnacle with a mack mp8 engine. I have no check engine lights on. I see rpms. The fuel bowl has fuel. It cranks and coughs, but no fire. Runs on ether. No bubbles in the fuel bowl … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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Mack MP8, 2012 with compressor bypass and AHI valve. What is
Mack MP8, 2012 with compressor bypass and AHI valve. What is a reasonable intake manifold pressure during a forced regen?… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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I have a 8320-13 code on a 2011 8600 international and the
Roy I have a 8320-13 code on a 2011 8600 international and the DPF and Cat have been removed and cleaned as well as the differential sensor has been replaced. Unit shows this active code even after cl… read more
Expert
Expert
10,510 satisfied customers
I have a 2018 CHU Mack MP8 engine showing me its @ 140% soot
Hi, i have a 2018 CHU Mack MP8 engine showing me its @ 140% soot level (only code is high soot level) filter only 6 months old try to force regen and outlet temp spikes to 900 and wont go any higher… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,460 satisfied customers
The guy with the 2012 Mack. I'm still stuck here and need
Hi mike this is Sole the guy with the 2012 Mack. I'm still stuck here and need your expertise. So our company bought a JPro diagnostic scanner. We sent the ecm to be repaired and have a feeling it is … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,460 satisfied customers
Spn 5394 Fmi 17 code keeps coming up after I regen. 2012
Spn 5394 Fmi 17 code keeps coming up after I regen … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,460 satisfied customers
I have a 2008 mack truck with a mack engine its throwing a
I have a 2008 mack truck with a mack engine its throwing a code ppid330 for soot level reset I dont have the volvo software we just cleaned both dpf filters and it will not complete the regen it start… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,460 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
6,460 satisfied customers
Mack mp8 has erractic fast idle when forced into regen with
mack mp8 has erractic fast idle when forced into regen with tech tool temp does not get hot enough… read more
Mike Mcmillan
Mike Mcmillan
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Problem with dpf won't regen starts and stops what di you
Problem with dpf won't regen starts and stops what di you think of drilling 1 in wholes in muffler to trick reg computer to thing every thing is ok 2008 mack mp8 engine… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,460 satisfied customers
2011 Mack MP8 lost power. Now it turns over good but kicks
2011 Mack MP8 lost power. Now it turns over good but kicks out before it starts … read more
Mike Mcmillan
Mike Mcmillan
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2012 HINO DTC CODES P141F P141B P141D. 268A 2012 HINO. RAN
RAN ALL LAPTOP TEST CHECK FOR EXHAUST LEAKS NO EXHAUST FOUND FORCED REGEN … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2013 mack mru613 with a mp7 engine it has a code
I have a 2013 mack mru613 with a mp7 engine it has a code spn 3490 fmi 12 mack says this is not there code the code description is aftertreatment 1 purge air actuator-bad intelligent device or compone… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Mack mp8 2012 in derate no codes no check engine light no
mack mp8 2012 in derate no codes no check engine light no lightening bolt, service def on information screen won't let us take out of derate… read more
Expert
Expert
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2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH
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
Expert
Expert
10,510 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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