Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2012 Cummins ISX. We just completed an out of frame
I have a 2012 Cummins ISX. We just completed an out of frame overhaul. Motor runs great, but has a weird oil pressure situation. At start up, the oil pressure gauge goes up to about 70 psi. Stays ther… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have an 06 Cummins isx and at low idle when the engine is
I have an 06 Cummins isx and at low idle when the engine is hot I'm blowing whit smoke and it smells of deziel. I had injector 1and 3 replaced and the front bank is running week and I've done a cylind… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
402 satisfied customers
I have a 2011 Kenworth T800 ISX that hesitates when holding
I have a 2011 Kenworth T800 ISX that hesitates when holding the throttle steady. Runs fine at idle, but when driving, it bogs down every few seconds while holding the throttle steady. You can feel it … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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402 satisfied customers
I have a volvo d12. when i start it up it runs fine for a
i have a volvo d12 . when i start it up it runs fine for a few seconds and then starts missing and almost dies but comes back and runs fine. its worse on cold start but will do it after sitting for a … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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2009 KW T660 Cummins isx cm871 engine rough idle and smoke I
2009 KW T660 Cummins isx cm871 engine rough idle and white smoke I did the cylinder cut out test with Insite and injector in cylinder #2 is not working Then I did the cylinder performance test and 123… read more
Expert
Expert
7,469 satisfied customers
Dr. Cummins, Have a ISX that is starting hard and runs rough
Dr. Cummins, Have a ISX that is starting hard and runs rough for a lil while... Once its cleans up it runs good. It will start and run for a couple seconds then die then crank and crank and not start.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Truck will "randomly" start running choppy/rough with low
truck will "randomly" start running choppy/rough with low power... I will shut the truck down let it sit for 10 minutes start it back up and the problem is cleared and the truck is running normal agai… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
My Cummins ISX motor is causing a problem. I get an engine
My Cummins ISX motor is causing a problem. I get an engine warning light that comes on and it'll go on and off intermittently period occasionally it will shut the turbo off completely or at least it w… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
My 2002 Cummins ISX 450 has rough idling problem. engine
It starts out fine,but afrer I run it for a little bit,at my next stop it would be running rough at idle. … read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
2007 cummins isx wont start. cranks just fine. problem
hi. 2007 cummins isx wont start. cranks just fine. problem started about two weeks ago. sometimes it would start only with ether. changed the shut off selenoid and all was back to normal for three day… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
2007 model isx 385st mid 128 sid 70 fmi 3 Truck running
2007 model isx 385st mid 128 sid 70 fmi 3 Truck running fine, but started setting this code every hour at 0400 this morning.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Have volvo with a isx in my shop change fuel it start run
hello have volvo with a isx in my shop change fuel it start run for a bit then start missung cut off tryed everything i know and i am lost at this point… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
My question is about the air intake heater system on my 2000
My question is about the air intake heater system on my 2000 Freightliner FL70 that has a Cat 3126 engine. I have had the truck since March of this year. Initially the indicator light for warming the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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HI my name is***** got a 2003 Volvo ISX Cummins Engine #60800564
HI my name is***** got a 2003 Volvo ISX Cummins Engine #60800564 REF# ***** , my checking engine light went on a couple of weeks ago, when the truck was idling I shut off the truck started again and e… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Im working on 09 with ISX CM871 WHICH smokes when starts,
I'm working on 09 with ISX CM871 WHICH smokes when starts, shakes and has explosions while idling… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
hi there, i own a 2007 international 9900i with an isx 15 engine,
hi there, i own a 2007 international 9900i with an isx 15 engine, my problem is when i start the truck first thing in the morning, it starts then stalls, it will run when started for the second time b… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
we have a 2004 Pete with ISX, when you start it up {cold or
we have a 2004 Pete with ISX, when you start it up {cold or warm} it will run smooth for 35 seconds then run really rough. we have tried an ECM, checked fuel pressures, eliminated TVG sensor, we are r… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2008 peterbilt 386 with a cummins isx. and randomly
I have a 2008 peterbilt 386 with a cummins isx. and randomly driving down the highway the cruise will shut off fan will turn on and jakes wont work. This happens all at once then drive for awhile and … 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

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I am ASE Master Truck Certified.

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

Jeremy

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

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Curtis B.

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Chris (aka-Moose)

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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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