Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Tac stopped working on my 2008 Peterbilt 386 with ISX
Tac stopped working on my 2008 Peterbilt 386 with ISX cummins. told to adjust sensor on flywheel housing but can't find sensor … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
402 satisfied customers
2012 pet 386. ISX 15. engine s/n 79481931. truck died like
2012 pet 386. ISX 15. engine s/n 79481931. truck died like key was shut off. fuel filter was half empty. no lift pump operation. found relay and jumped power to pump. pump runs. no power to load side … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
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
HS Diploma
2 satisfied customers
I have a 2016 peterbilt 567 with the ISX cummins. I have an
I have a 2016 peterbilt 567 with the ISX cummins. I have an issue with my temp gauge. It reads 0 with a light indicator underneath the needle. New sensor, checked resistance from sensor to computer ha… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 2011 386 peterbilt show DPF fuel pressure delivery
I have a 2011 386 peterbilt show DPF fuel pressure delivery code and a clogged dpf symbol but just had the dpf filters cleaned but symbol stays active for clogged … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
402 satisfied customers
I have a 2008 Kenworth 660. Truck has a Cummins ISX engine
I have a 2008 Kenworth 660. Truck has a Cummins ISX engine for power. The truck came from the factory with an RTO autoshift transmission. The truck has had a clutch pedal from the beginning. I have in… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
402 satisfied customers
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
cumminsdr
Mechanic
High School or GED
4,260 satisfied customers
2009 386 with Cummins ISX. Lose throttle and engine light
2009 386 with Cummins ISX. Lose throttle and engine light comes on. Code is throttle position. replaced 2 tps's, both the harnesses to ECM, and the ECM. Added more grounding and cleaned all connection… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2009 Pete 386 will not regen due to brake pedal depressed.
2009 Pete 386 will not regen due to brake pedal depressed. wiring diagram of switches and locations please. should be going to pin 37 and 38 of ECM OE harness… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
QUESTION AT THE BOTTOM OF cut and paste, Thank you. Expert:
QUESTION AT THE BOTTOM OF cut and paste, Thank you.Expert: DR.Cummins replied 6 years ago. CODE REASON EFFECT Fault Code: 1241 PID: None SPN: 2623 FMI: 4/4 LAMP: Amber SRT: Accelerator Pedal or Lever … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,260 satisfied customers
I have a 2012 Cummins ISX that just threw a c.e.l. saying
I have a 2012 Cummins ISX that just threw a c.e.l. saying "exhaust gas pressure". Codes showing are 1209, 3698, and 3697. Check engine light and "exhaust gas pressure" message came on for the first ti… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
My fan comes on with check engine light and engine brake
My fan comes on with check engine light and engine brake quits working 09 Pete 387 425 ISX.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 08 Volvo VN with egr cummins isx that idle fine but
I have a 08 Volvo VN with egr cummins isx that idle fine but the TCS light remain on and no throttle response. It give code 131, so I replace the accelerator assembly. Still no throttle response. It's… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,260 satisfied customers
Peterbilt 387 2012 cummins isx engine.Head lights + Signals
Peterbilt 387 2012 cummins isx engine.Head lights + Signals stop working after few minutes. When I leave truck off for couple hours ,work again but goes off after few minutes.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Constant problems with regeneration right now it regents for
Constant problems with regeneration right now it regents for 1hour off 1hour truck still has plenty of power 2010 peterbilt model 335 cummins motor… read more
Geoff
Geoff
BS
12 satisfied customers
Scangauge KR codes showing codes on Peterbilt 386.
2009 Peterbilt 386 has 5 codes coming up Truck has Cummins ISX motor. All codes come from my scangauge Kr device I'd. Fm. Cnt 1. 5018. 2. 1 2. 101. 0. 6 3. 974. 03. 126 4. 974. 03. 126 5. 2797. 8. 0 A… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have 2008 International prostar with cummins isx and its
I have 2008 International prostar with cummins isx and its showing a code 4283 and 1972. What do I need to do you fix this problem. No check engine light but regen triangle is on the dash.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 2008 peterbilt 386 with a cummins isx. and randomly
I have a 2008 peterbilt 386 with a cummins isx. and randomly driving down the highway the cruise will shut off fan will turn on and jakes wont work. This happens all at once then drive for awhile and … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 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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