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I am working whit a isb 6.7 and it has a lot of smock whit
I am working whit a isb 6.7 and it has a lot of smock whit smell of diesel it has no fault codes can anybody help me… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
186 satisfied customers
On 2015 isx code #3 cylinder miss fire ,changed injector,
on 2015 isx code #3 cylinder miss fire ,changed injector , code went inactive started ran good , let warm up , two miles into test run it started nocking bad ,got it back to shop . know it showed #4 m… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
186 satisfied customers
Have a 2012 Int 4300 with cummins have 4 codes i need help
Have a 2012 Int 4300 with cummins have 4 codes i need help with … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
I have an mbl c-12 (MBL11757) that I just replaced the #4
Hello, I have an mbl c-12 (MBL11757) that I just replaced the #4 injector on, took it for a test run and still ran like dirt. Did another cut-out and it showed the #4 as dead and the #3 as weak. I rep… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
4,965 satisfied customers
Can 2015 cummins 6.7 injectors work in 2008 6.7 cun=mmins
can 2015 cummins 6.7 injectors work in 2008 6.7 cun=mmins engine … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,753 satisfied customers
I have 2014 durastar international truck check engine light
I have 2014 durastar international truck check engine light stays on i used truck onborad diag. to get codes # 5357 need to know what that code is for … read more
Roy
Roy
shop foreman
Associate Degree
5,217 satisfied customers
We have a 2250 isx. A valve broke off so we removed the head
Hi. We have a 2250 isx. A valve broke off so we removed the head and got it completely rebuilt. We reinstalled the head everything runs perfectly smooth but when you get 20 psi boost you get a really … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Changed injector on 6.7 ISB need to change fuel trim code
Changed injector on 6.7 ISB need to change fuel trim code but cannot find section on insite program… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Need help: 02 ISC Cummins runs rough with loud detonation
Need help: 02 ISC Cummins runs rough with loud detonation knock only when outside air is in 60's or less, feels like a strong miss pulls poorly has an 1/2 to 3/4 MPG drop-off. Replaced fuel flow, fuel… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,753 satisfied customers
Working on isx cummins blowing a lot of smoke replaced EGR
Working on isx cummins blowing a lot of white smoke replaced EGR cooler was leaking water and smoke continues 2009 ISX… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,753 satisfied customers
Have a cummins isb cm850 sets a code spn94. runs fine for
have a cummins isb cm850 sets a code spn94. runs fine for 30mins or so then starts losing power and jerking eventually stalls. After a cooldown of about 10 to 15 mins will start back up and run. We ha… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a n14 lost power, changed fuel filter and still slugash
I have a n14 lost power, changed fuel filter and still slugash at low rpms my fuel milage went south checked turbo spins free smokes at mid range. Tried to cut out injectors and you could here diff on… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
ISX Cummins 870. At startup cold front 3 cylinders not firing. Rear are good .After warmup
ISX Cummins 870. At startup cold front 3 cylinders not firing. Rear are good .After warmup back 3 fade out front 3 start working. Initial start up 1 not working at all..… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Hello I have an N14 celect plus ser number 11667873. I installed
Hello I have an N14 celect plus ser number 11667873. I installed a new cam in it because it arrived at my shop popping back through the intake. Exhaust lobes were worn. Set the injection timing. Now i… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Hi. Today I am working on an ISX475, ESN 14014780 Engine Family
Hi. Today I am working on an ISX475, ESN 14014780 Engine Family YCEXH0912XAC. Customer has the following concerns, Smokes at idle, Idles very rough, engine continues to run after ignition is turned of… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Dr. Cummins, I have a cummmins ISX ESN:79203898. Engine seems
Dr. Cummins, I have a cummmins ISX ESN:79203898. Engine seems to be running rough when you first crank it. After a few minutes it will start to level out and run smooth. Also sometimes when you turn t… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Ive been having an intermittent problem (for the last 6 months)
I've been having an intermittent problem (for the last 6 months) with my 1999 Freightliner Century. It has a 370hp Cummins ISM. Every time I make a repair. It runs fine for a week or so then the probl… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a Signature 565 (99) - 2.9 million kilometers on it
I have a Signature 565 (99) - 2.9 million kilometers on it - took it into Cummins to replace injectors (preventative maintenance) - truck will not run properly ever since. Have lost 2 mpg - burning oi… read more
sevn103
sevn103
232 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,753 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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I am ASE Master Truck Certified.

Wayne

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

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cumminsdr

cumminsdr

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dieseldan55

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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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