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2004 Peterbilt 379, cat c15 MBN keep breaking the fuel
Hello 2004 Peterbilt 379 , cat c15 MBN keep breaking the fuel pressure regulator I already changed 5 of them in the past year . Also the Engine shakes and sounds rough between 900 and 1300 rpm , it so… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2004 379 with C15 MBN. This engine will pull great
I have a 2004 379 with C15 MBN. This engine will pull great in Colorado all day long no problem from Grand Junction up to this high country I'll Telluride. From Grand Junction to Denver on the less ag… read more
Daniel Wilson
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3406b 4mg s/n. In a 1990 kenworth. Has been losing fuel
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NicholasM1019
NicholasM1019
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My DAF LF start loosing power when going uphill after prime
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Daniel Wilson
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Crank no start, read codes flashing check engine light found
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Daniel Wilson
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Auto Mechanics 1&2/diesel mech
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Mbn c15 no power fuel psi at wot 90 psi at idle 80 psi gauge
Mbn c15 no power fuel psi at wot 90 psi at idle 80 psi gauge bounces … read more
Cat Man
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I have a C15 MBN powered 2004 T800 that turns over but wont
I have a C15 MBN powered 2004 T800 that turns over but wont start … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Paccar mx13 won't start crank over no fire I check
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Daniel Wilson
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Auto Mechanics 1&2/diesel mech
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Just performed an in-frame overhaul on an N14 select plus
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Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2006 Volvo with isx Cummins and it only turns
I have a 2006 Volvo with isx Cummins and it only turns over... It's will run if we put starter spray in it... Replaced the lift put and fuel pump … read more
Daniel Wilson
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Auto Mechanics 1&2/diesel mech
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I have an FH 550HP Volvo and its cuts out whilst driving. It
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Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have an 07 Freightliner VIN#1FUJALCK57LY17905,,, it decided
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Daniel Wilson
Daniel Wilson
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Mate no start without ether common rail diesal changed
hey mate no start without ether common rail diesal changed suction control valve runs fine once its started … read more
Daniel Wilson
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1993 International Bucket Truck, DT466 Engine, will run fine
1993 International Bucket Truck, DT466 Engine, will run fine then loses all power, like it's running out of fuel, will eventually pick back up and run for a short while, then do it again, seems to be … read more
Daniel Wilson
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My Cummins 400 ism starts and runs fine for 30 to50 seconds,
My Cummins 400 ism starts and runs fine for 30 to50 seconds, then starts crapping out and dies. I replaced the fuel transfer pump, fuel filter, fuel, etc, checked for suction air leaks etc.Now what? … read more
Daniel Wilson
Daniel Wilson
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Mr Cat Man, Im in desperate need of some help as I have
Mr Cat Man, Im in desperate need of some help as I have never ran into this problem before. I have a c15 mbn engine that has been showing multiple injectors bad. Even after installing a complete set o… read more
Cat Man
Cat Man
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I have a 3406e cat draining fuel off of primary fuel filter
I have a 3406e cat draining fuel off of primary fuel filter have replaced fuel pump and check valve and primer pump. Secondary filer and head still hold pressure.… read more
Daniel Wilson
Daniel Wilson
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I have a 99 freightliner with a cummins ism engine.the truck
I have a 99 freightliner with a cummins ism engine.the truck will start but will die after a few seconds. the truck will restart after some long cranking. I have noticed plastic bowl on Davco filter w… read more
cumminsdr
cumminsdr
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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I am ASE Master Truck Certified.

Wayne

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

Jeremy

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cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

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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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