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1997 peterbilt n14 celeste plus. 1997 peterbilt cummins n14
Chasing a problem for several years. Seems to me when I have an injector starting to miss the ecm will derate engine power.im not sure if this is a derate or just a power loss. … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
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I have an 99 n14 celect plus. It won't start, will turn over
I have an 99 n14 celect plus. It won't start, will turn over once or twice then acts like the batteries are dead. I have replaced all 4 batteries and the starter and still doing the same thing … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Dr. Cummins, I have an ISX that is "derating" when the check
Dr. Cummins, I have an ISX that is "derating" when the check engine light comes and and a warning beeper goes off. This truck is off site I'm just wondering at this point what will cause this problem.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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Have a 2012 Int 4300 with cummins have 4 codes i need help
Have a 2012 Int 4300 with cummins have 4 codes i need help with … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Have a Cummins N14 Celect Plus, Throwing codes PID 036 and
Have a Cummins N14 Celect Plus, Throwing codes PID 036 and PID 021 on truck display. Check engine light is on below 1500rpm but goes off and stays off over 1500rpm? Truck still runs perfectly fine. Wh… read more
Jackie Dempsey
Jackie Dempsey
Heavy Line Technician
Automotive and Diesel Engines
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SA:0 system any. Son:4752. fmi:18, also have sa:49. System:
SA:0 system any. Son:4752. fmi:18 JA: What's the make/model/year of your truck? Engine type? Customer: also have sa:49. System: any. Son:77fmi 3 JA: Are you fixing your truck yourself? What have you t… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Where is the cabin Filter For ac in 1994 Kenworth T600. 1994
Where is the cabin Filter For ac in 1994 Kenworth T600 … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
I am showing code 0322 on an N14. speed derate to 1400 to
I am showing code 0322 on an N14. speed derate to 1400 to 1600 current to injector is shut off, just replaced the ecm. checked all plugs and wires and found oil sensor was bad, replaced it and still h… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Truck came in with intake nox sensor reading -200. Replaced
truck came in with intake nox sensor reading -200. Replaced nox sensor and did a regen. Intake nox read 0 throughout regen and now codes on dash are 1569 and 5246. 1569 is stating that motor is derate… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 2014 kenworth 900l with a 500 cummins. showing
i have a 2014 kenworth 900l with a 500 cummins. showing codes 5397,1569,4340,3720 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I have another Paccar engine i am working on same its MX13
I have another Paccar engine i am working on same its MX13 EPA10 12.9L i have Check engine and have code for Engine Derated on Dash . hooked up my PC and have code Engine Protection Torque Derated-Fai… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,521 satisfied customers
I was losing coolant but didn't see any leaks. I have
I was losing coolant but didn't see any leaks. I have fault codes 3556. 4334. 1569. 5246. And my engine derated. ?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
2007 International 9400i with cummins ISX. Last week check
2007 International 9400i with cummins ISX. Last week check engine light kept coming on and off and truck would lose power and wont go above 55MPH. Today the truck wont go over 35MPH and is throwing th… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,521 satisfied customers
I have a 2006 Travel Supreme Class A motorhome with a cummins
I have a 2006 Travel Supreme Class A motorhome with a cummins ISL 400 diesel. It recently had the "Stop Engine" light come on but everything was fine. I had another 20 miles to my camp site and everyt… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,521 satisfied customers
What would cause a DEF doser valve to be clogged? This pertains
What would cause a DEF doser valve to be clogged? This pertains to a 2012 Kenworth, with ISX15 engine. 3 days ago, about 1500 miles ago, this truck was in a Kenworth shop in Houston, Texas, and they c… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Dr. Cummins, I have an '01 Freightliner Classic XL w/Cummins
Dr. Cummins, I have an '01 Freightliner Classic XL w/Cummins N14 500 Celect+. ESN# ***** This morning the amber check light came on and noticed the motor has gone into derate. The only fault code is 1… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
my n14 cummins has engine derate light coming on. 1997 cabover.
my n14 cummins has engine derate light coming on. 1997 cabover. loses power and runs rough when this happens. appears to have an oil leak just started where the dipsick/filler enters the motor. Gerard… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Ford L9000: 1995 L9000 Ford truck N14 350 Cummins. The engine
1995 L9000 Ford truck N14 350 Cummins. The engine fluid light started flashing every time it had to pull and it would lose power. But now the light start flashing when I start the engine. I already ch… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
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