Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Ran out of fuel while idling. Won't restart. Klamath Ottawa.
Hoping these models don't need to be bled like older Diesel engines. I don't see a primer pump.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have code 128F01 pid094_p but the truck is running fine.
I have code 128F01 pid094_p but the truck is running fine … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
8 satisfied customers
Erator wontstart. 2004. Cummings diesel motorhome. Nothing
nothing yet Motor turns over won't start and neither will the generator … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Cummins ISX fault codes 418(h2o in fuel) & 951(power
Cummins ISX fault codes 418(h2o in fuel) & 951(power imbalance between cylinders) keep going off. Have to change dirty fuel filter filter every 3 days. Cut filters open very full of black sediment. Ha… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2007 Volvo 400 Cummins runs a while then dies changed fuel
2007 Volvo 400 Cummins runs a while then dies changed fuel filters same issue … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
We have a older GM white Volvo semi with a big Cummins in it
We have a older GM white Volvo semi with a big Cummins in it we have spent a fortune on this engine just ran it 6000 miles ran perfect driving from Oregon to Arizona driving fine and also in complete … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,879 satisfied customers
2014 ISX residue on back of sleeper and frame. Had the truck
2014 ISX White residue on back of sleeper and frame. Had the truck at Cummins they replaced DEF injector can cleaned decomp tube. Truck ran fine for 3 weeks now white residue showing up again … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Wayne. 91 international l10 9 speed. I pulled a load home
Hey Wayne. 91 international l10 9 speed. I pulled a load home today weight 5500 lbs. Against a 40 mph crosswind. I could not get it to tach up over about 2100 and never broke 55. Part is the wind part… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Spn 1569 fmi 31 is showing, I got a 2012 587 Cummins isx. I
Spn 1569 fmi 31 is showing, I got a 2012 Peter 587 Cummins isx. I replace a lot of parts already and I'm loosing power … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,879 satisfied customers
I have a Cummins l10 that won't rev up only idles,changed
Hello, I have a Cummins l10 that won't rev up only idles,changed the fuel filter and clean the screen in the PT pump. But still no change,I don't feel the fuel solenoid clicking or anything when the k… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a nice 93 International with an L10 Cummins Celect.
I have a nice 93 International with an L10 Cummins Celect. The truck set for a long time and would not run. I found that rats chewed the constant power wire in two that goes to the ecm. I repaired tha… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Got a 99 Fleetwood Bounder motorhome, 275 Cummins. Last time
Got a 99 Fleetwood Bounder motorhome, 275 Cummins. Last time I went camping it ran great going to the spot, but coming back an week later it was sluglish...it wouldn't hardly get over 45-50 MPH. Took … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
My bf has a 1993 freightliner with a L 10 cummins can get
My bf has a 1993 freightliner with a L 10 cummins can get more than 60 mph out of her and in the mountains 40 mph we use this truck to pull our camping trailer. what could be the problem… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Hi just bought a 99 isuzu npr diesel I think the owners before
Hi just bought a 99 isuzu npr diesel I think the owners before me hardly used it so I thought you should know that but 2 days later after I bought I ran the fuel tank down below a quarter tank. The en… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
n 14 stumbled and died restarted when tryiong to pull off died
n 14 stumbled and died restarted when tryiong to pull off died again let it cool and it ran down the road about five miles to the next exit. shut down on the off ramp. no check engine light it will tr… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Yesterday I bought my dadsold truck from my mother. Gas with
Yesterday I bought my dadsold truck from my mother. Gas with 5 speed on the floor. Driving home it ran great for 100 miles. I stopped for a few minutes. When i tried to get going again it would jerk a… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Hello! I have a Ford / Versatile 9280 4WD tractor with an L10
Hello! I have a Ford / Versatile 9280 4WD tractor with an L10 Cummins engine. The starting system is giving me grief. It starts very slowly. Replaced starter with a Remanufactured one. Replaced the 3 … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
GMC 6500 top kick: hi i own a 2005 gmc 6500 flat bed wrecker
hi i own a 2005 gmc 6500 flat bed wrecker with a 7.8 duramax with an allison 2500 transmission .the truck started to have some fuel issuses after getting untreated diesel due to cold wheather,we added… read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,879 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 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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