Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Actually it is a bus. Usually after i fuel i have to do a
Actually it is a bus. Usually after i fuel i have to do a regen. I refueled just before break and parked it. Came back from break and after the first 40 miles it gave me a DEF level-Engine derate mess… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Code 3216 fmi 4 and code 5246 fmi 0. 2015 international
Replaced the nox sensor and purge aftertreatment valve … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
8 satisfied customers
I have dd15 and 521049 and 521050 codes are detected i done
I have dd15 and 521049 and 521050 codes are detected i done regen and changed nox scencors inlet and outlet but codes are still on … read more
Roy Belding
Roy Belding
7,582 satisfied customers
I'm not using any def fluid. I topped off the def tank and
I'm not using any def fluid. I topped off the def tank and drove about 350 miles. The dash said regeneration required, so I did a parked regen. After the regen was completed I started driving and noti… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2006 M2 freightliner with check engine amber, fault
Hi I have a 2006 M2 freightliner with check engine amber, fault 1, engine 0 fail 4 and spin 3216 codes. We ran this rig two weeks ago with no problems; it got down to 20 degrees the past couple of day… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
How much do you charge for advice? 2011 freightliner
If i can yes! I had bunch of codes for DPF. Went to a shop they cleaned the DEF. now it is doing a Regen non stop … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Have two trucks with pdf issues first is a IHC vin
have two trucks with pdf issues first is a IHC vin HH474589has code SPN 3364 FMI 18 catalist tank reagent quality and SPN 5246 FMI 0 most severe second truck is a ford vin DV775101 its codes are SPN 4… read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,770 satisfied customers
No power in high gear. Wont shift out shuts down Shows code
No power in high gear. Wont shift out shuts down Shows code of spn 3251, spn 1569, and spn 27 has a cummins 6.7 engine 2012. this is a yard dog … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I have a 2014 cascadia with fault code fail 21 spn 3216
I have a 2014 cascadia with fault code fail 21 spn 3216 ecu1? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I have 2 engine fault codes. SPN 3936 FMI 15 & SPN 1569 FMI
I have 2 engine fault codes. SPN 3936 FMI 15 & SPN 1569 FMI 31.. 2016 Freightliner cascadia, Cummins is engine. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
We got a truck in the shop that we just did a DPF for clean
we got a truck in the shop that we just did a DPF for clean on and after a couple weeks is asking for a parked regen twice a week and it throwing code spn 5394 fmi 17. What should I be checking.Thanks… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Got a messed up truck, Ok, Yea ttaking my battery off, I'm
got a messed up truck JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Truck Mechanic I'm going to connect you with knows all the tricks and shortcuts… read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,770 satisfied customers
Issue: How can I clear the DEF Quality being evaluated
Issue: How can I clear the DEF Quality being evaluated engine in derate on the dashboard? Truck: Model CXU613 year 2010 with an MP7 EngineWhat I already did: *The DPF Filters has been cleaned 4 weeks … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have code SPN 5246 FMI 0 on my Volvo D13H 2011 256k miles.
Second opinion] I have code SPN 5246 FMI 0 on my Volvo D13H 2011 256k miles. It says DEF tank low Derate to 5 mph, but my DEF tank is full. I can't clear this code and Tech Tool isn't much help in my … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I got this code on my cummins engine spn 5394 fmi 7, its a
i got this code on my cummins engine spn 5394 fmi 7 … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,748 satisfied customers
I have a 2010 Prostar Cummins ISX 435 with a solid Regen
I have a 2010 Prostar Cummins ISX 435 with a solid Regen light I tried to do park Regen didn't work andthe check engine light come and then goes off has a code sid 324 any help would be great… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
Trying to clean def system for third time 2011 MT45 Cummins
trying to clean def system for third time 2011 MT45 Cummins 6.7 Founf strainer underneath is dirty. … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
PROBLEM WITH CUMMINS ISX ENGINE, I HAVE A CODE, HAVE CODES,
PROBLEM WITH CUMMINS ISX ENGINE JA: We'll do all we can to help. Tell me a bit more about what's going on so the Heavy Equipment Mechanic can help you best. Customer: I HAVE A CODE JA: Is there anythi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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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