Medium and Heavy Trucks

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I have a N14 celect plus with stop engine light on. code is
I have a N14 celect plus with stop engine light on. code is 132 PID 91 FMI 4 . would like to have the procedure to test wires till the ECM because I just changed it and now this light is on. … read more
cumminsdr
cumminsdr
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High School or GED
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I'm working on a 2008 Peterbilt with an isx engine, the
Hi, I'm working on a 2008 Peterbilt with an isx engine, the original engine failed (seized) and was swapped to a 2015 ISX. The old engine communicates with the truck on j1587 and the new engine commun… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
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I am reprogramming a replacement ecm for a caterpillar C10
hello. I am reprogramming a replacement ecm for a caterpillar C10 ECM … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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5EK WITH NO BOOST PRESSURE? I just rebuilt a 3406e 5EK with
5EK WITH NO BOOST PRESSURE?I just rebuilt a 3406e 5EK with a platinum kit. Picked this engine up to replace the blown engine in my truck. truck starts and runs great. Fuel pressure is 60psi at idle an… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 5EK 3406e that I cannot seem to get to run
Hello there, I have a 5EK 3406e that I cannot seem to get to run strongly, even after full out of frame overhaul … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2010 Peterbilt 389 with a ISX 15L having throttle
I have a 2010 Peterbilt 389 with a ISX 15L having throttle issues new wiring harness new tps sensors and tps harness… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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07/2005 Peterbilt 378 engine swap from Mxs cat to 6nz cat
07/2005 Peterbilt 378 engine swap from Mxs cat to 6nz cat got all guages working but speedometer… read more
Cat Man
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96 peterbilt 379 with 3406e 5ek. Pin 28 for fan output has
96 peterbilt 379 with 3406e 5ek. Pin 28 for fan output has 12v with fan relay not installed but goes away with relay in… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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CumminsDr i have a 2008 peterbilt with cuimmins isxESN
cumminsDr i have a 2008 peterbilt with cuimmins isxESN 79284576.. ecm went in to bootrom mode. had to get a new ecm and programmed by some ECM people, not cummins dealer..... they told me since ecm we… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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We have flashed a 5EK ECM to 550 and it will not take
We have flashed a 5EK ECM to 550 and it will not take program the interlock code. Im wondering if the previous low nox file has something to do with it? … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Lol m working on a 1998 peterbilt that the speedometer isn't
lol m working on a 1998 peterbilt that the speedometer isn't working. Replaced sensor already. Cat et is not registering any speed either. Possibly wiring between sensor and ecm?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Cat man! I have a 1996 peterbilt 379 with a 3406E, serial#
hello cat man! I have a 1996 peterbilt 379 with a 3406E, serial# ***** i'm looking at a 1999 3406E serial# ***** in a Volvo, both are original to the trucks, my question is can the Volvo motor be put … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 97 freight liner FLD, 3406E, 5EK Motor, the speedo
I have a 97 freight liner FLD, 3406E, 5EK Motor, the speedo is pegged at 85mph and the odometer runs up miles while just idling? I checked and changed the speed sensor at Trans, changed the speedo hea… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e 40 pin. What do I need for the cab. I have the harness from the ecm to the firewall from a donor truck. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2005 peterbilt with an older 3406e engine. 2 wire
I have a 2005 peterbilt with an older 3406e engine. 2 wire speed sensor. Everything worked perfectly until I changed my ecm. No speedometer doesn't work correctly. Shows wrong speed and when it gets p… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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i have a 3406e 5ek59597 and require j1939 to work put suspect
hi i have a 3406e 5ek59597 and require j1939 to work put suspect that is not in the ecu what are the 40 pin alteritives?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Just bought a 1994 377 peterbilt with an N14 select plus engine,
Just bought a 1994 377 peterbilt with an N14 select plus engine, I was having problems with proper accleration. I brought computer to cummins for testing only to be told the computer was blank but goo… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
How can i change how much the odometer shows that i drive.
How can i change how much the odometer shows that i drive. Ive got Cummins Insite. The truck shows 6 miles per hour slower at 50 MPH… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
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Chris (aka-Moose)

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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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