Medium and Heavy Trucks

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I got Freightliner cascadia 2021 here in my shop with dpf
I got Freightliner cascadia 2021 here in my shop with dpf inducement derate 5 mph with codes of high carbon doser injector and block I changed doser injector and block those codes gone but these def i… read more
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Gary A.
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Got a 2018 Kenworth T680 with paccar MX13. Emission MIL
Got a 2018 Kenworth T680 with paccar MX13. Emission MIL light comes on and DPF light comes on. … read more
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Nich1019
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Mack truck throwing nox sensor efficiency codes. truck is
mack truck throwing nox sensor efficiency codes. truck is running rough, you can clear codes and the truck will run fine and pull godd for a day or until light omes back on. code p20ee00, ran nox test… read more
Wayne
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How are you doing? joe green i have not moved my truck over
how are you doing? joe green i have not moved my truck over two and half months, i checked my on last sunday, there are three codes on my truck, 1 spn3720 fmi15, 2 spn3364 fmi 02, 3 spn4364 fmi 18. i … read more
Joe Green
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My truck is showing repair scr system, limp mode, level 2
My truck is showing repair scr system , limp mode , level 2 engine derate , stop engine immediately. And def level is at 3/4 and lights blinking red , I'm currently in Washington so it's around 30 deg… read more
Nich1019
Nich1019
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2012 Volvo D13 vin# ***************** Shows active code AFT
2012 Volvo D13 vin# ***** Shows active code AFT SCR Feedback Control Status PSID 90 - FMI 14 - active. It's saying parked regen required but it won't complete the regen. I use a Snap On Pro-Link Edge … read more
Mike Mcmillan
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I have a 2012 nissan ud. I have a code that says poor
Hello i have a 2012 nissan ud. I have a code that says poor quality def, truck wont go over 5mph and when i try to regen it throws alot of black smoke. … read more
Mike Mcmillan
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I have 2013 Volvo VNL with Volvo engine. It gives this
Hi, I have 2013 Volvo VNL with Volvo engine. It gives this message "SCR Performance Evaluation Continue Driving, 5mph Limit Temporarily Removed". Also, have code SPN 4094: NOX Limits exceeded due to i… read more
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I have fault code 5655 2014 peterbilt 579 isx Cummins.
I have fault code 5655 2014 peterbilt 579 isx Cummins … read more
Nich1019
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Welcom,have messaged “service DEF speed limited to 5mph.its
Welcom,have messaged “service DEF speed limited to 5mph.its Volvo 2013,d13,hope that you can help me … read more
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Mike Mcmillan
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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
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I have a 2014 freightliner 114sd with a isl9 370. I have
i have a 2014 freightliner 114sd with a isl9 370. I have codes, 3543, 3582, 3714, 3712. This truck is a part of a fleet, and it has been ghosting us for 8 months, truck has recently gotten a new turbo… read more
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I have 2011 freight liner with dd15 I have a stay active
I have 2011 freight liner with dd15 I have a stay active every time I clear it comes right bk and don't have a chance to regen … read more
Expert
Expert
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Working on a 2011 volvo with a d13 it has a code for adblue
working on a 2011 volvo with a d13 it has a code for adblue dosing unit mid128 psid 90 fmi 14where is the dosing unit located… read more
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Need to force regen on Mack MP8. The sensors went out. 2014
Need to force regen on Mack MP8. The sensors went out … read more
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SCR performance elevation 5mph light is on and I unplugged
SCR performance elevation 5mph light is on and I unplugged the sensor on the Yoke and the mph picked back up but that didn't not fix the truck… read more
Expert
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2011 Isuzu NPR with 3.0 ecodiesel DPF runs every 30 miles. I
2011 Isuzu NPR with 3.0 ecodiesel DPF runs every 30 miles. I have had DPF backed and cleaned and tested, it passed. Replaced knock sensors a few months ago testing good, replace differential pressure … read more
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Jeremy
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I have an Cummins ISL 9 that is going into regen all the
I have an Cummins ISL 9 that is going into regen all the time. Removed the dpf and doc. Had both cleaned. installed, reset and performed regen. Still no luck. same problem.… read more
Expert
Expert
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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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