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I have a 2012 388 Peterbilt. The fan stays on constantly,
I have a 2012 388 Peterbilt. The fan stays on constantly … read more
Andy
Andy
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Vocational, Technical or Trade School
2,392 satisfied customers
I have SPN 641 fault code coming on to my 2012 Peterbilt
Hello I have SPN 641 fault code coming on to my 2012 Peterbilt Cummins ISX … read more
Steven
Steven
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What is the maximum weight we should be pulling using a 2012
What is the maximum weight we should be pulling using a 2012 Peterbilt 587 with a Cummins ISX 15L, 10 speed transmission and 2.67 gearing on the rear ends?… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
I have a 2014 Peterbilt 389 with a Cummins ISX 550hp engine.
Hi- I have a 2014 Peterbilt 389 with a Cummins ISX 550hp engine. I've been having an issue with the engine fan staying on. It started a few weeks ago. I did some research and replaced the clutch fan s… read more
Steven
Steven
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Isx 15 fan runs all the time. when engine is off fan dont
isx 15 fan runs all the time . when engine is off fan dont turn free … read more
Steven
Steven
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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
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
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
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
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
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
We are having trouble starting a Cummins ISX 15, 2012
We are a provider of Roadside breakdown services. We responded to the customer who called with crank, no start, no codes situation. We have tried the obvious things, and think the problem is the fuel shutoff solenoid. … read more
Aaron Evans
Aaron Evans
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I put on a new fan clutch and solenoid. The fan will not
I put on a new fan clutch and solenoid. The fan will not engage unless I remove the air hose going to the clutch. The manual fan switch on the dash isn't working either. I got a new ecm 3 weeks ago. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have 1XKFD49X5BJ290176 Kenworth 2011 T-700 Cummins ISX ESN
I have 1XKFD49X5BJ290176 Kenworth 2011 T-700 Cummins ISX ESN 79439895About once a week getting code and ***** *****ght for: Engine Fan Clutch Output Device Driver Voltage Above Normal, Or Shorted To H… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
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I have a 2008 cummins isx 500 hp with fault code fan clutch
I have a 2008 cummins isx 500 hp with fault code fan clutch driver. in the morning engine light come on with fan then after a few hours it only comes on when coasting down hill with no throttle… read more
Geoff
Geoff
BS
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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
Andy
Andy
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Vocational, Technical or Trade School
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VOLVO 2007 with cummins isx. Getting check engine fault codes
VOLVO 2007 with cummins isx. Getting check engine fault codes mid 128 sid 33 fmi 3 Fan clutch electrical fault value too high. Fan clutch new in october, replaced selanoid couplease days ago. Fan is w… read more
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Andy
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Vocational, Technical or Trade School
2,392 satisfied customers
I have a 2005 W900 with ISX 15 engine. The engine fan does
I have a 2005 W900 with ISX 15 engine. The engine fan does not turn off. I can make it shut off by putting power to air solenoid next to heater housing. Also replaced thermostat sensor/switch by therm… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
i just bought an 2012 peterbilt 389 with an isx 15 450hp 1650
i just bought an 2012 peterbilt 389 with an isx 15 450hp 1650 torque. Dealer says it cant be turned up. Wanting to know if there is any difference in internal parts between the 3 ISX 15 families.… read more
cumminsdr
cumminsdr
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High School or GED
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I have a 2003 Peterbilt 387 with ISX Cummins, ZF meritor trans.
I have a 2003 Peterbilt 387 with ISX Cummins, ZF meritor trans. no clutch pedal. I need to know factory programed features and paremeters for the engine ECM.… read more
JANECZFJ
JANECZFJ
158 satisfied customers
Harness, fuses, what? Just got 2008 Peterbilt 386 with a Cummins
Harness, fuses, what? Just got 2008 Peterbilt 386 with a Cummins ISX Signature 600 out of MHC Denver. After having two (2) sensors replaced - the pressure sensor & the TPS Assy (which was under warran… read more
cumminsdr
cumminsdr
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High School or GED
1,458 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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