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Related Medium and Heavy Trucks Questions
I have 2014 Freightliner Cascadia and it has DEF and Fuel
I have 2014 Freightliner Cascadia and it has DEF and Fuel gaufe problem … read more
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Daniel Wilson
Auto Mechanics 1&2/diesel mech
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2009 IH 4300, *****************, Low coolant warning goes on
2009 IH 4300, *****************, Low coolant warning goes on and then off, the sensor has been replaced. Oil/Water alarm comes on at times too. Scanner is showing Active, ABS warning lamp malfunction,… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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Def sensor on the school bus i drive won't let me go past
Def sensor on the school bus i drive won't let me go past 5miles an hour even though the def tank is full … read more
roybelding
roybelding
shop foreman
Associate Degree
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The def gauge says truck has no def, and the check engine
The def gauge says truck has no def, and the check engine light is on truck says shut down immediately, and the def tank is full … read more
Mike
Mike
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Have a 2000 International 4300. Every few days, the truck
Have a 2000 International 4300. Every few days, the truck loses throttle response. Sometimes it does it when you first start it, sometimes while driving. It doesn't fall to idle, though. You can get S… read more
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Andy
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2016 Kenworth T660 with a cummins isx 450. keeps throwing
2016 Kenworth T660 with a cummins isx 450. keeps throwing spn 4334 fmi 18. dealership has changed the def pump, decompisition tube, and injector. code keeps coming back. What could it be?… read more
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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
Mike
Mike
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I HAVE A CODE OF SPN 5246 FMI 15. FRIGHTLINER 2011 WITH
DRATE TO 5 MILE PER HR DEF GAUGE HAS YELLOW LIGHT FLASHING… read more
roybelding
roybelding
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2015 8.3 cummins turbo diesel with 9,080 original miles and
2015 8.3 cummins turbo diesel with 9,080 original miles and I have zero throttle response , will not go over 10,000 rpm. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Wound up installing new scr metering unit and had technician
Hello, Wound up installing new scr metering unit and had technician come clear codes or eec61 and regen the truck twice and all codes and lights went off, next day drove truck 5 hours and the 2 yellow… read more
roybelding
roybelding
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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
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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 /coach technician
Vocational, Technical or Trade School
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I have a 2011 Fleetwood Discover with a Freightliner
I have a 2011 Fleetwood Discover with a Freightliner chassis/motor/etc and it requires DEF additive. The guage shows very low, but the tank will not take any DEF, it acts like its full and overfills. … read more
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Jeremy
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Associate Degree
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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
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2012 KW T660 ISX cummins got a check engine light on,
2012 KW T660 ISX cummins got a check engine light on, showing "engine derated NOx Limit exceed due to quality" Exhaust (SCR/DEF) any clues what this could be? Thank You… read more
Geoff
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. Have a 2008 freightliner sprinter with a diesel and it
Hi. Have a 2008 freightliner sprinter with a diesel and it throws code p2453. There is nowhere to put Def fluid. I thought it was a diesel particulate filter code. What does this code mean?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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2012 IH 4300 Stop engine light still on after having DPF and
2012 IH 4300 Stop engine light still on after having DPF and DOC cleaned. Ran it down the street and then the DPF "temp". warning lamp came on.… read more
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Andy
truck /coach technician
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How far will Cascadia run with diesel in the DEF tank before
How far will Cascadia run with diesel in the DEF tank before breaking down? Have a driver saying the previous driver put diesel in the DEF tank but the truck broke down couple of week after they swapp… read more
cumminsdr
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Daniel Wilson

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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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