Medium and Heavy Trucks

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I have a cummins isx cm871 im getting oil in coolant even
i have a cummins isx cm871 im getting oil in coolant even when engine is off it consume coolant also on the exhaust manifold i fount oil coming out of the exhaust manifold what can cause the problem … read more
SeanM
SeanM
Fleet Maintenance Manager
High School Diploma
10 satisfied customers
CUMMINS. GOT A CM871 2009 MODEL. PETERBILT 389. TRUCK SAT
HELLO DR CUMMINS. GOT A CM871 2009 MODEL. PETERBILT 389. TRUCK SAT FOR 4 YEARS, UPON BRINGING TRUCK BACK ON ROAD ADVISED CUSTOMER TO REMOVED DOC AND DPF FOR BAKING, REMOVED AND HAD BOTH DOC AND DPF BA… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2007 IH 9900 ISX CM871 My Customer Had Turbo Replaced By
2007 IH 9900 ISX CM871 My Customer Had Turbo Replaced By Another Shop Ever Since He's Complaning Truck Will Not Boost Correctly He Replaced Controller Problem Still Exsists I Have It At My Shop Now I … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
It's an 06 07 ISX, Just now I was going down the highway
It's an 06 07 ISX, Just now I was going down the highway just fine and now its smoking black during acceleration and no power. My engine fan came on also, but normal temperature … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have active Faults in the Cummins ISX 600 in my 2008
I have active Faults in the Cummins ISX 600 in my 2008 Monaco Signature 45' motorhome. Codes are SPN 3241 FMI 2 and SPN 2633 FMI 14/15. Engine has only 35,000 miles. This past Friday afternoon, I rece… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
Fuel consumption sucks don't know where to even start. 2010
Fuel consumption sucks don't know where to even start … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
Got the head back on the ISX but when we road tested the
Got the head back on the ISX but when we road tested the pyro gauge was pegging out. If u let off the throttle it will come back down. Can u help be troubleshoot this issue?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have 2008 Volvo vnl670 with Cummins ISX. Recently when
Hi I have 2008 Volvo vnl670 with Cummins ISX. Recently when driving engine check fault show up MID 128 SID 146 FMI 13 It says out of calibration. I notice lack of power when accelerating and heavy smo… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,902 satisfied customers
07 isx overheating. Replaced the water pump, replaced the
07 isx overheating. Replaced the water pump , replaced the thermostat, replaced the temp sensor , washed radiator with steamer and replaced egr valve as well , and replaced exhaust temp sensor as well… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have this cummins isx CM871 i am having problem of hard
HELLO i have this cummins isx CM871 i am having problem of hard starting i hooked clear line to in and out if IFSM in doesnt have any air bubble when he truck stand for 15 min it doesnt start the fuel… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,902 satisfied customers
I have a 2009 international prostar.. Traveling from Orlando
Hi Andy! I have a 2009 international prostar.. Traveling from Orlando to Texas now appears a signal on display that says "warn engine" and a red triangle indicating "service" what can it be ?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
Low power with slow foot throttle response with empty truck, what comm
Low power with slow foot throttle response with empty truck, what common items can cause this condition?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in
2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in REGEN, for about 6 continuous hours of operation it was de-rated with bluish gray smoke coming from exhaust on steep hill climbs with a heav… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
we asked what could cause high parometer readings and less
we asked what could cause high parometer readings and less power on a peterbilt about a week and a half ago and were told the egr valve we replaced and truck is still doing the same thing can it be th… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
what causes a truck to run 1000 to 11oo on the parometer and
what causes a truck to run 1000 to 11oo on the parometer and blowing black smoke the turbo is coughing a lot on a 2006 isx cummins… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
i have a 2007 kenworth t800h with a 565 isx high exhaust temp
i have a 2007 kenworth t800h with a 565 isx high exhaust temp 1100 degrees 30 to 40 psi boost when under load but 5 psi when jaking down hill lot of black smoke turbo seems to hesitate then just takes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,902 satisfied customers
I have a 2007 Hino 338, when you crank it up it runs fine,
I have a 2007 Hino 338, when you crank it up it runs fine, you can accelerate the motor and it seems fine in neutral, but when you drive it, it starts smoking from the exhaust pipe black smoke and shu… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I need a diagram of the location of all sensors on engine and
I need a diagram of the location of all sensors on engine and exhaust on a 2009 International ProStar serial #9C121261… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,902 satisfied customers

Owner at DJ Wilson

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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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