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Related Medium and Heavy Trucks Questions
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
2009 KW T660 ISX cm871,I've noticed my rocker arm rollers a
2009 KW T660 ISX cm871,I've noticed my rocker arm rollers a few are getting pitted as well as the camshaft lobes in the valve side and one just started in injector cam,one roller in the valve side is … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2009 KW T660 ISX cm871,I've noticed my rocker arm rollers a
2009 KW T660 ISX cm871,I've noticed my rocker arm rollers a few are getting pitted as well as the camshaft lobes in the valve side and one just started in injector cam,one roller in the valve side is … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have an isx cm871 its been deleted. last year the ecm went
I have an isx cm871 its been deleted. last year the ecm went out ant the tune I got is crap. I did have a PDI tune and I loved it .I want something close to that. it has a PDI turbo and exhaust. I hav… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
We have a ISX cummins eng serial 79218581 it is running real
good morning we have a ISX cummins eng serial 79218581 it is running real high rpms smoke blacks gray fuel smoke and want dies when you turn of the key.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2007 Peterbilt 335 Cummins 8.3 ISC. SN 46644819...originally
2007 Peterbilt 335 Cummins 8.3 ISC. SN 46644819...originally brought in bc of loss of power & heavy smoke...replaced injectors (all 6), replaced #2 piston & sleeve, machine shop checked heads but no m… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Working in a 2009 T660 KW with a ISX cm871, looking to do an
Working in a 2009 T660 KW with a ISX cm871, looking to do an overhead valve adjustment, I have done this before in my N14 celect many times, can you fill me in in the ISX when adjusting the injectors … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
I have a cummins isx cm870. begins to miss hard at high idle
hi, I have a cummins isx cm870. begins to miss hard at high idle and shoots out white smoke. runs and sounds well at idle. all injectors have been replaced, intake/exhaust/brake/injectors have been ad… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Isx cummins intermittent misfire. Isx 600 79283458. Ran
ran insite showed #6 injector pass fail injector replaced… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
We got a 2004 international with a isx popping wen you rev
We got a 2004 international with a isx popping wen you rev engine to 800 a 1000 rpm and on cold start it has new injectors and the over head has been ran needing help diagnosing thanks in advance… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Dr. Cummins, I have a CM871 that is smoking a lot of smoke
Dr. Cummins,I have a CM871 that is smoking a lot of smoke at idle. ESN 79242827. It smells like unburned fuel. I did a cylider kill test and they all seem to be pulling there weight. Where should I st… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a Cummins ESN 79382582 this unit while idling starts
Hello I have a Cummins ESN 79382582 this unit while idling starts missing I check the cylinder performance and all 3 front cylinders fail. I ran through the diag. and found a bad timing solenoid. I re… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2012 KW T660 ISX Cummins need to replace the turbo actuator
2012 KW T660 ISX Cummins need to replace the turbo actuator (vgt) questions is how important it's to calibrate it I don't have Cummins inside available with me I noticed when ignition key opens the ac… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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
4,737 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
208 satisfied customers
Today we are working on a CM870, injectors 1 and 3 have been
Today we are working on a CM870, injectors 1 and 3 have been replaced. On the cylinder performance test using Insite, #1,2 & 3 alternately pass and fail. Runs fairly rough at in idle. your input would… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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
1,700 satisfied customers
I have kw 2010 with isx cummins cm871 500 hp 190000 miles my
I have kw 2010 with isx cummins cm871 500 hp 190000 miles my problem is coolant loss but only wen is running one galon on 100 miles but truck parking don't loss water on idle or hig idle leave running… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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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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