Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 1995 pete 379 it cranks but wont start fuel filters
I have a 1995 pete 379 it cranks but wont start fuel filters are full new batteries but still wont start … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a kenworth t300 no start. 2007 kenworth t300 with isc
I have a kenworth t300 no start JA: What's the make/model/year of your truck? Engine type? Customer: 2007 kenworth t300 with isc motor JA: Are you fixing your truck yourself? What have you tried so fa… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Have a 2012 M2 with Cummings ISB. Have a 325 1 code with
Hello. Have a 2012 M2 with Cummings ISB. Have a 325 1 code with solid check engine and "solid red engine stop" light. We would probably consider the use of the truck light; 1- 3 hour trips 3 - 4 times… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Cummins is 315 getting oil in the fuel tank. Bad ECM code
Cummins is 315 getting oil in the fuel tank. Bad ECM code son 629 fmi 12. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a peterbilt 2016 with code 3362 and 1569 And in the
I have a peterbilt 2016 with code 3362 and 1569 And in the dash say power reduced due to scr system fault… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I'm working on a 2007 peterbilt with a cummins isx in it.
hi, I'm working on a 2007 peterbilt with a cummins isx in it. the engine number is ***** The truck was running rough and I went to turn it off with the key and it wouldn't shut off, I tried it again w… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2015 peterbilt paccar front loader with code SPN
I have a 2015 peterbilt paccar front loader with code SPN 5491 saying low voltage or shorted heater relay. I don't have any schematic to diagnose the problem. Got any ideas? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Cummins isx. Yellow check eng light on. Scanner shows codes
Cummins isx. Yellow check eng light on. Scanner shows codes 2637-FMI 11 and 4214-FMI 1. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm not able to build boost I have replaced turbo and turbo
I'm not able to build boost I have replaced turbo and turbo control valve . I have a active code saying the vgt driver circuit is high voltage . it is a 2005 pete with a cummins 475 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Cat Man, I have a 2003 Peterbilt with a CAT C-15 MBN16293,
Hi Cat Man, I have a 2003 Peterbilt with a CAT C-15 MBN16293, the engine will not start. When I turn on the ignition none of the dummy lights come on including the check engine light. The truck igniti… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,207 satisfied customers
I have a c 15 which had a clogged dpf filter which we baked
I have a c 15 which had a clogged dpf filter which we baked and we replaced two exhaust temp sensors now the truck shuts down after 15 mins with a dpf ignition failure ard head was filthy might still … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,207 satisfied customers
Some trouble codes on an isx engine , trouble code 1878
Customer: some trouble codes on an isx engine JA: Thanks. Can you give me any more details about your issue? Customer: trouble code 1878 2374 and 1876 JA: OK got it. Last thing — JustAnswer charges a … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2010 peterbilt 387 with a cummins isx CM871. The engine
I have a 2010 peterbilt 387 with a cummins isx CM871. The engine cranks but wont run. It did run only twice while here ...(Low idle, rough with no throttle response).Checked all the fuses...all good. … read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
Im working on a 95 international 4700 with 7.3l t444e
im working on a 95 international 4700 with 7.3l t444e engine. im dealing with a no start problem, it was intermittent and now it wont start at all. i have no tach signal on the dash, i have replaced t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
My truck has derated and shows code 5848 on the smart nav
My truck has derated and shows code 5848 on the smart nav. It says something about a cold weather sensor… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a check engine lite on my 2009 387 ISX. used a scan
I have a check engine lite on my 2009 387 ISX. used a scan gauge and retrieve codes 124 11 from BUSJ1708 and code 3556 15 from BUSJ1939… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
my other truck 2009 prostar isx engine i have a fault cods 4283--inactive 3167--inacti
my other truck 2009 prostar isx engine i have a fault cods 4283--inactive 3167--inactive 2374--inactive 2554--inactive 4214--ACTIVE 2637--ACTIVE last week i had a problem whit same truck we change aft… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
i have a 2008 peterbilt with a cummins engine ser # XXXXX
i have a 2008 peterbilt with a cummins engine ser # XXXXX thats keeps showing a code for 2728 and and it pulls up to say aftertreatment doser-data valid but above normal operating range-moderatley sev… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,207 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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