Medium and Heavy Trucks

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My DDEC IV ECM fried. Battery leaked inside. (unrepairable)
My DDEC IV ECM fried. Battery leaked inside. (unrepairable) Replaced ECM from Freightliner with software matching serial number. Installed. Truck starting fine. Engine is running fine till coolant tem… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have a 2007 peterbilt 386 with a 2007 Cat c13 acert engine
Hello I have a 2007 peterbilt 386 with a 2007 Cat c13 acert engine KCB90123, the problem I am having is that it will intermittently shut down going down the road just like if you turned the key switch… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have an issue with a freightliner truck with a cummins M11
I have an issue with a freightliner truck with a cummins M11 engine. Need a tech familiar with this. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
205 satisfied customers
HELP! I have a 2005 dodge 5.9 2 508 foot bed pick up. I had
HELP! I have a 2005 dodge 5.9 2 508 foot bed pick up. I had the fuel lines changed because they were rotten and when I got it back the truck runs for a few hours and then shuts off and I have no fuel … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
Have a C13, trucks idles and runs fine for a few minutes
Have a C13 , trucks idles and runs fine for a few minutes than begins to miss and shut down. Let it set a few minutes fires right up , but after a few times it wont start . Computer then shows all 6 i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
I have 2007 peterbuilt 379 triaxle dump 475cat the truck
I have 2007 peterbuilt 379 triaxle dump 475cat the truck shuts down while running down road it will start right back but it shuts down 15 times a day … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
Not sure. I'm gettin A J1939 Failure but no other PID OR
Not sure. I'm gettin A J1939 Failure but no other PID OR PPID OR SID CODES. Just J1939 failure. Not sure if its the can bus harness or the ECM that's gone bad. I thought it might br either the ign bus… read more
Roy
Roy
shop foreman
Associate Degree
5,491 satisfied customers
Second opinion] I have 1999 Peterbilt 379 with a Detroit
Second opinion] I have 1999 Peterbilt 379 with a Detroit Diesel Series 60 engine. I recently replaced the ECM and it was programmed with the settings from Detroit based on the engine serial number. (S… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
2003 gmc C7400 has a 3126E Cat. Gmc C7500 2003. Has a 3126E
Yes it came in last week with a shutdown problem. I replaced all the injectors because it had a code set for the #2 and #5 injector. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
Is a mechanic available? 95 detroit diesel 11.1 liter, with
hi is a mechanic available? JA: What's the make/model/year of your truck? Engine type? Customer: 95 detroit diesel 11.1 liter JA: Are you fixing your truck yourself? What have you tried so far? Custom… read more
Roy
Roy
shop foreman
Associate Degree
5,491 satisfied customers
We have a 2008 Kenworth W900 and have recently been having
We have a 2008 Kenworth W900 and have recently been having problems with the truck shutting down while driving down the road. When the truck does this the odometer reads dashes and the fuel pump does … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
I've got a 97 freightliner with a m11. I sold the truck
I've got a 97 freightliner with a m11. I sold the truck and it had a bad ecm from internal moisture. I removed the ecm of my truck that I was driving and replaced it with the one I sold. Now my engine… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
Our 2006 cat engine freightliner went down. It was computer.
Our 2006 cat engine freightliner went down. It was computer. All six injectors were bad. Now our 2002 Freightliner did same It started had a miss and shut down.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
Good morning buddy,I have been having trouble with my 2005
Good morning buddy, I have been having trouble with my 2005 century. It has been reporting codes : Eng Aux in/out #1 Calib 128 155 13 Eng controller No response 128s254 07 Eng Erratic 128s147 02 Took … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have a 2001 Cummins engine code 251 starts and runs fine
I have a 2001 Cummins engine code 251 starts and runs fine for a few minutes, then goes to a miss and dies, no throttle response at any time.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,552 satisfied customers
Jeremy ,my question is I have a 2007 columbia and the a/c works
Jeremy ,my question is I have a 2007 columbia and the a/c works when sitting still but it stops working after you start driving down the road freon level has been check .evac and recharge just to make… read more
Roy
Roy
shop foreman
Associate Degree
5,491 satisfied customers
Just bought 2007 Kenworth T2000 C15 Feb 1st 2014 Truck ran
Just bought 2007 Kenworth T2000 C15 Feb 1st 2014 Truck ran fine till Nebraska alternator started making 16 volts then not charging, replaced alternator. Truck ran fine to Chicago, parked it overnight,… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
96 volvo with cat 3406E died. No fuel flow thru ecm. Would
96 volvo with cat 3406E died. No fuel flow thru ecm. Would only turn over with either spray. Used shop peterbiult ecm ran in shop ok. Then grabbed and ecm from blown motor 98 Volvo with 3406E and swap… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,118 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,693 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 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

Mechanic

1,552 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,270 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 satisfied customers

16 years of experience

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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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