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
6,301 satisfied customers
Working on a 2015 Mack CHU with MP8. This truck needs
Working on a 2015 Mack CHU with MP8. This truck needs frequent regens when it is doing in town work. The other trucks in the fleet do not seem to need parked regens when this one does. Watched a regen… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
It says temp system lockout check in the dash indicator. 2
It says temp system lockout check in the dash indicator … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,301 satisfied customers
Mack 2016 CHU, MP8. Only code is for the daytime head
Mack 2016 CHU, MP8. Only code is for the daytime head lights. No eml or mil on. Checked codes several times and restarted PTT. Truck has Temp system lockout check light on and kicks out of forced rege… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,301 satisfied customers
I had to have a force regen yesterday after the soot level
I had to have a force regen yesterday after the soot level maxed out, but now the soot level is at a quarter and im got the stop warning light but it wont regen. Is there any way to trick it to regen … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,301 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
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I can't seem to do a parked regen... D13 2019. I have tried
I have tried to do a regen several times yesterday but it isn't letting me tells me the soot levels doesn't reach the requirement to do one but I have the regen light blinking … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a volvo 2012 d13. regen needed, however when i go to
i have a volvo 2012 d13. regen needed, however when i go to initiate a regen the truck says check ats status? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,301 satisfied customers
I have 2012 peterbilt 386. I managed to get it to perform a
Hello, I have 2012 peterbilt 386. I managed to get it to perform a parked regen about 5 times. But the fault codes wont clear. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Working on a 2016 freightliner m2106 with a cummins in it.
working on a 2016 freightliner m2106 with a cummins in it. im getting the low def led flash with a red stop engine and amber check engine. on my snap on pro link i could see the ecm was seeing 8% def … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Dd15 that wont run but a 20 min regen and the codes are only
dd15 that wont run but a 20 min regen and the codes are only ambient temp sensor and intake manifold error temps on the inlet and outlet are only going to 350 degrees… read more
Expert
Expert
10,510 satisfied customers
Soot level to high cascadia 2009. Dd15 freigthliner columbia
dd15 freigthliner columbia filter clean all sensor new hic module new, injector doser new … read more
Expert
Expert
10,510 satisfied customers
My 2010 International with Maxxforce DT chokes and stalls
My 2010 International with Maxxforce DT chokes and stalls after 20-30 miles at highway speed. Shut off for a while and it will run again about same distance then same problem. It won't do a parked reg… 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
I have a 2012 IH Prostar with a Maxxforce that has the stop
I have a 2012 IH Prostar with a Maxxforce that has the stop engine light on but no dpf regen light on. Code is that soot level is at most severe level. Truck won't run regen according to servicemaxx t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
C-13 acert , 2007 kenworth . Driver has been doing manual regen
C-13 acert , 2007 kenworth . Driver has been doing manual regen every day for 5 days , wen tto 2 a day yesterday . Cat ET wont perform forced regen… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
We have a 2009 Freightliner tractor with a Detroit 60series,
We have a 2009 Freightliner tractor with a Detroit 60series, this truck came in with a code for high soot level for the DPF unit. We sent out the DPF filter to get cleaned out and performed a forced r… read more
Clayton
Clayton
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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.

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cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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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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