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Related Medium and Heavy Trucks Questions
I have a 2011 mack granite in derate. Scr system fault. I
I have a 2011 mack granite in derate. Scr system fault. I thinking doser injector is bad. My question is if I can get code to cler off will I be able to drive it about 100 miles back to my shop if I d… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
578 satisfied customers
After replacing dpf filter sensors and doser valve after
after replacing dpf filter sensors and doser valve after driving 100 miles truck gives code 5246 fmi 16 and 4094 fmi 18 and asks for parked regen. It also said scr performance low engine derate 5 mph … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2012 Freightliner box truck with a 6.7 Cummins in
I have a 2012 Freightliner box truck with a 6.7 Cummins in it, throwing a 1569 FMI 31, 3360 FMI 02, and 5246 FMI 00.Some sort of DEF fault, but not sure what is going on.… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
55 satisfied customers
I have a 2016 international 4300 with a cummins motor. it
I have a 2016 international 4300 with a cummins motor. it has run fine until the other morning. I started it , I got a code for spn5397 regen too much. (checked the egr sensor and found moisture in it… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,463 satisfied customers
I have active codes than dealership been worked on it all
Hi I have active codes than dealership been worked on it all related with SCR SPN … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
55 satisfied customers
I just got truck (2015 kenworth t680 cummins isx engine)
I just got truck (2015 kenworth t680 cummins isx engine) serviced at El Paso Kenworth dealer. Had them remove 2 derate codes that put me at 5mph due to bad def quality sensor. My question is, can I be… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
55 satisfied customers
I have 2012 Freightliner M2 106. It has 4 active codes. They
I have 2012 Freightliner M2 106. It has 4 active codes. They are:4364 18, 4094 31, 5246 0, 1569 31. Have replaced the doser/pump, flushed and filled the DEF tank, and cleaned the injector outlet. Afte… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Just got codes 1569, 4094, 5246. 2013 pete 587 Cummins isx
drained some of def and put better quality in and ran according to owner manuals … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,463 satisfied customers
Cummins QSF3.8 S/N 89921111 with DTC 3866 SPN 3364 FMI 1,
Cummins QSF3.8 S/N 89921111 with DTC 3866 SPN 3364 FMI 1, DTC 3714 SPN 1569 FMI 31 and DTC 3712 SPN 5246 FMI 0 error codes. Reduced engine functionality is present. DEF was low so refilled but no chan… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,463 satisfied customers
Red and engin lights are on. 2013 Freightliner Cascadia with
2013 Freightliner Cascadia with a Cummins engine.. … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have three codes 1569--3216---4094 don't know what they
I have three codes 1569--3216---4094 don't know what they are can you assist … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,463 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
6,062 satisfied customers
I have a 2015 Kenworth with a Cummins engine. It came in
I have a 2015 Kenworth with a Cummins engine. It came in with SPN 4094 FMI 31 code showing. I found the flex pipe broken in half under the cab. replaced it with new one and now have SPN 5246 FMI 0 and… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Have codes 3543, 3714, 3582, 3712 all active. Cummins ISB
Have codes 3543, 3714, 3582, 3712 all active. Cummins ISB 6.7 CM2250 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a f650 cummins 2011 have had all parts of def system
Hey I have a f650 cummins 2011 have had all parts of def system replaced and spent well over $16000 on the truck with def problems according to cummins the truck is in debate mode throwing code 5246 a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2013 Mack GU713. Engine serial #989613 Model #MP8-415C SCR
2013 Mack GU713. Engine serial #989613 Model #MP8-415C SCR performance low. service SCR system. Engine derated to 5mph Codes are: SPN 5246, SPN 4094 NOX, SPN 5443… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2012 mack cxu613 mp8 code spn 4094 fmi 1 diagnosed to be acm
2012 mack cxu613 mp8 code spn 4094 fmi 1 diagnosed to be acm ,can I use a acm off another truck to be sure before buying one… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2011 Peterbilt 348 with a paccar px-8. We are currently
2011 Peterbilt 348 with a paccar px-8. We are currently experiencing derate with limited speed. We have pulled four codes from the ecm, actually 4 active codes and 4 inactive codes. They are as follow… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 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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