Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Def guage is stuck on empty but its full of def.pump
def guage is stuck on empty but its full of def.pump ,harness ,hedder unit replaced.cannot figuere out problem … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have 2017 w900 Kenworth, with a cummings 550 engine. The
I have 2017 w900 Kenworth, with a cummings 550 engine. The def gauge is reading empty but it's full … read more
cumminsdr
cumminsdr
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High School or GED
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I do have a 2013 Cascadia. I broke down because a or more
I do have a 2013 Cascadia. I broke down because a or more DEF issue . The DEF gauge showed empty by blinking yellow light but there was 3 green square in the same time. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
Have 2015 dd15 in Cascadia 3/4 full of def and low def light
have 2015 dd15 in Cascadia 3/4 full of def and low def light starts blinking and engine lights come on throwing def quality code and low effiecence code … read more
Steven
Steven
Triage Tech/Shop Foreman
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173 satisfied customers
2015 780 oil was changed have a ACM FAULT DISPLAYED WITH ENG
2015 780 oil was changed have a ACM FAULT DISPLAYED WITH ENG LIGHT ON … read more
Steven
Steven
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Associates
173 satisfied customers
Have you seen the question I answered questions I should
Have you seen the question I answered questions I should say … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
173 satisfied customers
My DEF Level indicator on my 2013 M2 is showing 3/4 and not
My DEF Level indicator on my 2013 M2 is showing 3/4 and not moving. It caused check engine light to keep coming on and sent me in derate mode 1 time. What are my options … read more
Roy
Roy
shop foreman
Associate Degree
5,171 satisfied customers
I have a def problem. started with shutting down the def
i have a def problem. started with shutting down the def system due to a heater code..replaced the sending unit, doser nozzle and pump module. tanks are full but still reads empty and sets derate code… read more
Roy
Roy
shop foreman
Associate Degree
5,171 satisfied customers
Bunch of codes. 2012 freightlinercascadia. Nothing yet.
bunch of codes JA: What's the make/model/year of your truck? Engine type? Customer: 2012 freightlinercascadia JA: Are you fixing your truck yourself? What have you tried so far? Customer: yes nothing … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
2015 Peterbilt 579- wont turnover. It has a flashing red def
2015 Peterbilt 579- wont turnover. It has a flashing red def light. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
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
Associate Degree
5,171 satisfied customers
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
Associate Degree
5,171 satisfied customers
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
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
What those the code EEC 061 SPN004334 DEF PRESSURE SENSOR 07
What those the code EEC 061 SPN004334 DEF PRESSURE SENSOR 07 means and what could be wrong … read more
Roy
Roy
shop foreman
Associate Degree
5,171 satisfied customers
I have a 2012 Cascadia that we filled with DEF this Moring &
Customer: Hi my name is***** & I have a 2012 Cascadia that we filled with DEF this Moring & now it's reading empty. We hooked a new sending unit to it but it is still reading opposite. We are in proce… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Diesel Exhaust Flow (DEF) low indicator light turns on. Why?
What turns on the Def low (and out) indicator light on my Def gauge? Does it get a signal from anything other than the sending unit in the tank? Have spent $9000.00 last month on Def light/cel.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I am working on a 2012 KW that is giving a message that the
I am working on a 2012 KW that is giving a message that the def is low. The light on the gauge is also on, but the gauge is reading full. I replaced the sending unit and still same results. Last six o… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
Chevrolet c5500: 2003 c5500 , fuel gauge shows E with full
2003 c5500 , fuel gauge shows E with full tank. Some gauge movement when switch is turned on.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

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16 years of experience

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dieseldan55

Contractor

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Road Service mechanic for Volvo Construction.

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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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