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Related Medium and Heavy Trucks Questions
Why do I not have power to my lift pump on my 2015 peterbilt
why do I not have power to my lift pump on my 2015 peterbilt 389 I did change the engine wire harness already and I also changed the actuator on the fuel pump but I still have no power to my fuel pump… read more
NicholasM1019
NicholasM1019
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Just had my Cummins ISX inframed but today I noticed a
Hi. Just had my Cummins ISX inframed but today I noticed a little coolant in the overflow tank. Is it normal to have a little coolant in there? … read more
Mike Mcmillan
Mike Mcmillan
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ISX prime pump wont come on. 2001 W900 *****************.
yes. reman ecm, new prime pump, fuel timing and metering acutators harness and module mounted on top of prime pump. … read more
cumminsdr
cumminsdr
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High School or GED
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Could battery cables possibly be the problem have tried all
Could battery cables possibly be the problem have tried all of the above and same problem just 8000 Mike's on a total rebuild. Was running great turned a corner and this trouble started … read more
Scott Anthony
Scott Anthony
Master Technician
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I have a full tank of DEF. The engine is derated and I have
I have a full tank of DEF. The engine is derated and I have the following codes. 4340, 5246, 1569, 3740, and 6802 it's a 2016 Peterbilt 389 Cummins isx … read more
Eddy
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How much to get a question answered. Got a cummins isx that
got a cummins isx that shut off when hooked to the ecm gave a code of low fuel pressure, we changed the gear fuel pump, pumped air out of the lines, close to crankimg but hasnt cranked yet … read more
Andy
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Vocational, Technical or Trade School
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Have a Cummins ISX engine. Just threw code FMI 31, SPN 4364.
Have a Cummins ISX engine. Just threw code FMI 31, SPN 4364 … read more
Roy Belding
Roy Belding
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I'm working on a 2007 peterbilt with a cummins isx in it.
hi, I'm working on a 2007 peterbilt with a cummins isx in it. the engine number is ***** The truck was running rough and I went to turn it off with the key and it wouldn't shut off, I tried it again w… read more
cumminsdr
cumminsdr
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High School or GED
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2009 Peterbilt with isx Cummins on insite trying to do a
2009 Peterbilt with isx Cummins on insite trying to do a stationary regen says clutch pedal is depressed just put in new clutch switch still says depressed try to bypass with jumper wire still says de… read more
FIX-IT
FIX-IT
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I have a 2012 Peterbilt with a Cummins ISX. the fan runs all
I have a 2012 Peterbilt with a Cummins ISX. the fan runs all the time. I changed the solenoid and fan switch. Still running. What's next ? … read more
Wayne
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Been getting oil in coolant on isx 535hp. Changed oil
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Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2009 international with a Cummings is. Two days ago
I have a 2009 international with a Cummings is. Two days ago it wouldn't start, sprayed some starter fluid and fired up, ran for two days no problems. This morning wouldn't start, tried starting fluid… read more
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04 peterbilt isx check engine come on and it started boiling
04 peterbilt isx check engine come on and it started boiling black smoke,made it home and someone told me it was the fuel pump,changed it an relay,iot came on but truck would not start,no it has no po… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a cummins isx in a 2000 Kenworth. I just did a
I have a cummins isx in a 2000 Kenworth. I just did a inframe overhaul. When we first started the motor every thing seemed normal, engine ran good no fault codes. I shut the motor off finshed up some … read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
2011 Peterbilt; Cummins ISX engine. Husband stop to nap;
2011 Peterbilt; Cummins ISX engine. Husband stop to nap; woke up and tried to start engine; Engine light came on and no power. I do have serial number. Mileage is 561,960. No obvious problems before.… read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
2008 cummins isx, truck sat days. We thought it was ice,
2008 cummins isx, truck sat for three days. We thought it was ice, changed filters, no good. Truck towed to shop, shop said they get truck turned over on ether but won't run… read more
cumminsdr
cumminsdr
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What is the appropriate hour total for a complete inframe rebuild
What is the appropriate hour total for a complete inframe rebuild of an isx cummins motor inside a 2007 international truck?… read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
I have a 2007 Peterbilt 387 with a ISX 475. My problem is after
I have a 2007 Peterbilt 387 with a ISX 475. My problem is after it sits 3 or 4 days it wont start.… read more
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cumminsdr
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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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