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Related Medium and Heavy Trucks Questions
2011 389 peterbilt c15 Cat. Water coming out the swap hole
No, water coming out the swap hole had water pump replaced, then still overheating took thermostat out one was wild open the other stuck closed did fine then started overheating again … read more
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Vocational, Technical or Trade Scho
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I have a 2016 389 peterbilt with a 550 ISX Cummins I ran out
I have a 2016 389 peterbilt with a 550 ISX Cummins I ran out of fuel and the check engine light came on would like to clear it can you help? … read more
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Def lights are on. System is full of DEF. code still says
Def lights are on. System is full of DEF. code still says it's the doser. Doser has been replaced … read more
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On 389 Pete the air won't blow out the dash vents but can
On 389 Pete the air won't blow out the dash vents but can feel all the air blowing down on your feet … read more
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Turn signal on right front and left rear are not working on
Turn signal on right front and left rear are not working on a 2014 389 Peterbilt. All fuses are good. Everything worked this morning but when checked after hooking up to load they were not working. … read more
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2012 Peterbilt 389 shows low coolant & check engine when
2012 Peterbilt 389 shows low coolant & check engine when reservoir is full.Have changed sensor & connector to sensor. Same icons show. … read more
Drue Casey
Drue Casey
Vocational, Technical or Trade School
I have a full tank of DEF. The engine is derated and I have
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I have a 2012 Isx 15 600 hp in a Peterbilt 389, fuel pump
I have a 2012 Isx 15 600 hp in a Peterbilt 389, fuel pump went out took it to local shop they replaced but timing was out, it ran fine just check engine light and code was for mechanical timing. Took … read more
Wayne
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Vocational, Technical or Trade Scho
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I have 2016 Peterbilt. 389. Cummins isx. It just threw a
It just threw a code to shut engine off immediately… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a 2009 peterbilt 387 with a 485 Cummins ,, while
I have a 2009 peterbilt 387 with a 485 Cummins ,, while driving if I hit a bump in the road,, the engine stalls for a few seconds then gets going … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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Fault code755 on Cummins isx cm2350 I have tried another
Fault code755 on Cummins isx cm2350 I have tried another fuel pressure sensor another ecm what could cause this code … read more
cumminsdr
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Looking for blower motor resistor location on a 2009 Pete
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I have a 2011 Pete 389 and the gauge lights go out after a
I have a 2011 Pete 389 and the gauge lights go out after a few seconds of turning the ignition on and won't come back on … read more
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2009 Peterbilt with isx Cummins on insite trying to do a
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FIX-IT
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I was just wondering about any problems that drivers are
Hello, I was just wondering about any problems that drivers are having with an ISX 15 Engine, I'm thinking about buying a truck with that engine in it, it has about 550k miles on it and a new turbo, j… read more
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No ground to number one relay on def heated supply line,
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There is a fault code check engine symbol and exhaust with
there is a fault code check engine symbol and exhaust with exclamation point tried to manual start regen but doesn't seem to start ? … read more
cumminsdr
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I acquired a Cummins isx 15 550 engine (cm2350) complete
I acquired a Cummins isx 15 550 engine (cm2350) complete with fuller transmission and emissions after treatment system (egr, scr) off of an 2015 international truck. ecu and wire harness included up t… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

4,287 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

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16 years of experience

dieseldan55

dieseldan55

Contractor

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Road Service mechanic for Volvo Construction.

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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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