Medium and Heavy Trucks

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I have a 2000 peterbilt 377 with a Cummins n14 celect plus.
Hi.. I have a 2000 peterbilt 377 with a Cummins n14 celect plus. My issue is my ECM IS not recording miles. My tach and speedometer work. I have changed the sensor on the bell housing and the sensor a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a 97 kenworth with a n14 celect plus and the jakes
I have a 97 kenworth with a n14 celect plus and the jakes just up and quit working … read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
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1995 Peterbilt n14 Cummins the speedometer quit put new
1995 Peterbilt n14 Cummins the speedometer quit put new sensor and gauge in still not reading checked wires and all ohm out any solution? … read more
Andy
Andy
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Vocational, Technical or Trade School
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Have a 9 speed transmission in 2012 587 Peterbilt has a
Have a 9 speed transmission in 2012 587 Peterbilt has a Cummings motor in it we want to change it to 13 speed what will be the out come of that move?… read more
Jim
Jim
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Freightliner Century class S/T with N14 Cummins Plus (celect
Freightliner Century class S/T with N14 Cummins Plus (celect plus). Having issues with Engine brake functions. Engine brake does not function in either hi or low mod. It is a single switch set up. I'v… read more
Daniel Wilson
Daniel Wilson
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Shows code 55 by cruise acc/resume test but truck runs fine
Shows code 55 by cruise acc/resume test but truck runs fine for a little bit then it starts cutting out and will only climb up to about 1400-1500 rpm in 7-10 gear… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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1998 Peterbilt 379 w/n14 celect plus cummins Engine light
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cumminsdr
cumminsdr
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N14 celect- just replaced cam pos. sensor & Throttle pos. sensor.
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cumminsdr
cumminsdr
Mechanic
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I have a 2000 Peterbit n14 engine running down the road it
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spankyjr1
spankyjr1
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07 Freightliner Columbia CL120 w/ Eaton Fuller 10 speed and
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Cat Man
Cat Man
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Hello, question about my N14 CUMMINS how to perform a compression
Hello, question about my N14 CUMMINS how to perform a compression test or is it better a leak down test , I 've done several cars but just wondering on this big boy how to get and accurate reading to … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have an early production C-15 6nz engine that maintains 60
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Cat Man
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2000 peterbilt 379 n14 celect plus 460 check engine light came
2000 peterbilt 379 n14 celect plus 460 check engine light came on and while driving it it seem to not have any power almost like the filter needed changing but stop at a stop like engine light went ou… read more
cumminsdr
cumminsdr
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my 2000 9900i international with 435-500 plus n14 cummins lost
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Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2007 fl century Detroit with 2 pedal eaton smart shift.
I have a 2007 fl century Detroit with 2 pedal eaton smart shift. with cruise on and hauling over 30k in freight, speedometer stops working and trans either will not shift or shifts hard. already repla… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Hello Sr. 1999 KW T600 N14 cummins select plus engine, replaced
Hello Sr. 1999 KW T600 N14 cummins select plus engine, replaced all six injectors when fire up noticeable black smoke comes out and rpms raise around 1500 rpm for a few seconds then idle normals and n… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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my cummins n14 on long hard pull oil temp goes to 240 degrees
my cummins n14 on long hard pull oil temp goes to 240 degrees and oil pressure drops to 20 pounds at 1500 rpm what is wrong… read more
Wayne
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Vocational, Technical or Trade Scho
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my autoshift seems to drop to, nutral for one or two seconds
my autoshift seems to drop to, nutral for one or two seconds but picks up top gear streight away. any ideas regards peter… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

dieseldan55

dieseldan55

Contractor

74 satisfied customers

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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