Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
DEF tank is full but it shows empty. Also I got derate
DEF tank is full but it shows empty. JA: What's the make/model/year of your truck? Engine type? Customer: Also I got derate engine warning messageged JA: Are you fixing your truck yourself? What have … read more
Roy
Roy
shop foreman
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Engine light on dash of 2014 Kenworth T700. What dows that
Green engine light on dash of 2014 Kenworth T700. What dows that mean. … read more
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2009 Kenworth w900 cummings engine wants a regen and I cant
2009 Kenworth w900 cummings engine wants a regen and I cant get it to clear even after regen is done I notice on the exhaust pipe at the botton is a fuel line that is not hooked up but I cant find whe… read more
Roy
Roy
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I've got a 2017 International Workstar/6.7 Cummins and the
I've got a 2017 International Workstar/6.7 Cummins and the upside down triangle warning light and the DEF fluid light indicators are on. Truck is also reduced power… read more
Steven
Steven
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Spn1569/5246/4340/6802/16. Peterbilt 2014 cummings. Nada.
Spn1569/5246/4340/6802/16 JA: What's the make/model/year of your truck? Engine type? Customer: Peterbilt 2014 cummings JA: Are you fixing your truck yourself? What have you tried so far? Customer: Nad… read more
Roy
Roy
shop foreman
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I have a 2010 pro Star went to pick my load up empty it
I have a 2010 pro Star went to pick my load up empty it pulled fine,get my load then all of a sudden it slowly accelerates when i go upgrade it lose power i have to drop gears … read more
Steven
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THE FUEL GUAGE IS NOT WORKING ON W900 KENWORTH. I INSTALL A
THE FUEL GUAGE IS NOT WORKING ON W900 KENWORTH. I INSTALL A SENDING UNIT AND I AM SURE WHAT IS THE PROBLE … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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We have a 2015 Kenworth t680, and tonite while driving had
we have a 2015 Kenworth t680, and tonite while driving had several scr system fault messages and also our def tank is full but the low fluid red indicator on the def gauge came on. we pulled over and … read more
cumminsdr
cumminsdr
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High School or GED
3,965 satisfied customers
I have a ter 4 Cummings the def gauge shows empty replaced
I have a ter 4 Cummings the def gauge shows empty replaced sending unit/ pump still doesn't work … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,965 satisfied customers
I have code SPN 5246 FMI 0 on my Volvo D13H 2011 256k miles.
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 diagnosis. Any h… read more
cumminsdr
cumminsdr
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Cleaned red filters and now have a check engine and red
Cleaned red filters and now have a check engine and red stop … read more
Roy
Roy
shop foreman
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The def gauge is stuck on empty but the tank is full. I
The def gauge is stuck on empty but the tank is full. I assume … read more
Roy
Roy
shop foreman
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I have cummins isx 550 and code is active spn 1569, 2016
Hello I have cummins isx 550 and code is active spn 1569 … read more
FIX-IT
FIX-IT
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Cummings 380 in Tuscany RV has engine light on says spn1569
Cummings 380 in Tuscany RV has engine light on says spn1569 fault … read more
Jeremy
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Where is the plug in for a w900 kenworth for the pyrometer?
where is the plug in for a w900 kenworth for the pyrometer? I have a Cummings ISX, the truck was suppose to be wired for one.… read more
Wayne
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Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
My fuel tank sender unit has no voltage. It is an 07
My fuel tank sender unit has no voltage. It is an 07 kenworth w900 with the gauges controlled by the CECU and I have no wiring diagram to chase the wires.… read more
Daniel Wilson
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Auto Mechanics 1&2/diesel mech
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2000 kenworth w900.changed drivers side steering box and now
2000 kenworth w900.changed drivers side steering box and now i can't get the air out of the system… read more
spankyjr1
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Vocational, Technical or Trade Scho
418 satisfied customers
I have a Kenworth T700 truck with a 480 HP Paccar MX engine.
I have a Kenworth T700 truck with a 480 HP Paccar MX engine. I own this truck for over 4 years now, and I have never ceased to have problem with this engine. But more precisely, the DEF system is simp… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
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Daniel Wilson

Daniel Wilson

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

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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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