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Related Medium and Heavy Trucks Questions
On a 2005 Peterbilt 379 with cat ACERT C 15 engine why did
On a 2005 Peterbilt 379 with cat ACERT C 15 engine why did my Jakes only work in low and in the middle setting they do nothing and on the high setting I only get the low jakes… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
I have a 2005 Peterbilt 379 with a cat c-15 acert mxs. No
I have a 2005 Peterbilt 379 with a cat c-15 acert mxs. No response from pedal. TPS code on dash. Verified pedal works with pedal and have my 8 volts. Must be from cable to ecm.… read more
Keiphun Sowell
Keiphun Sowell
Owner Brothers Restoration/Troubleshoot
AutoDiesel Technology
1,321 satisfied customers
I'm needing a diagram of the ECM pin out. It's on a 2005 379
Hello I'm needing a diagram of the ECM pin out. It's on a 2005 379 peterbilt with a cat engine. Esn #MXS12072… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
Codes 289-6 and 290-6 comes up on my 2007 peterbilt 379, cat
Codes 289-6 and 290-6 comes up on my 2007 peterbilt 379, cat c15 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
2005 Peterbilt 379 c15 acert cooling fan comes on at the
2005 Peterbilt 379 c15 acert cooling fan comes on at the correct temp. but noticed it will not stay on long enough to bring temp. down. shuts off fan prematurely. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 2005 peterbilt 379 with a cat acert C15 in it the
I have a 2005 peterbilt 379 with a cat acert C15 in it the blower motor will not work on any speed I have gotten the multimeter out and started checking when I go to any point in the system be at the … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
2007 379 exh with cat 550 acert and 18 speed trans need
2007 379 exh with cat 550 acert and 18 speed trans need clutch return spring locaton … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
I replaced an injector and need the trim file to update the
I replaced an injector and need the trim file to update the ECM. Serial # A551796848A8. Can you send it to me? … read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
I have a 2004 C-15 Acert Single turbo conversion Peterbilt
I have a 2004 C-15 Acert Single turbo conversion Peterbilt 379. Recently I have been getting a vibration in the truck. It is most prevalent under load and in gears 16th to 18th. Engine runs rough at R… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
Will ECM # MXS53551 work on my CAT C15 ACERT with engine
Will ECM # MXS53551 work on my CAT C15 ACERT with engine serial number BXS23070? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
High pyro temp, new turbo and new air to air its on a acert
High pyro temp , new turbo and new air to air its on a acert(###) ###-#### Temps will go to 1200 it's has a tune and will run 60 lbs of boost … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
I have a 2005 Peterbilt 379 c-15 Acert which seems to have
Hi, I have a 2005 Peterbilt 379 c-15 Acert which seems to have an ignition problem. As of yesterday I walked outside to begin my pre-trip and as I approached the truck I could hear the low air pressur… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have 1996 peterbilt with a 3406e in i changed the rad,
i have 1996 peterbilt with a 3406e in i changed the rad, intercooler and harmonic balancer now i have no boost … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
I have a 2001 Peterbilt with a Cat C15 serial number
Hello I have a 2001 Peterbilt with a Cat C15 serial number 6Nz20932, I have to replace the engine but don't know what swaps I can use. Most of the trucks I find for parts have a Cat C15 Acert engine. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
I keep blowing the Acc SW fuse on a Peterbilt 379 with cat
I keep blowing the Acc SW fuse on a Peterbilt 379 with cat acert 2005 it only takes out speedometer Tachometer and volt gauge cannot find the source of the problem any ideas … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
. Just rolled 1.1 million miles on my 475 hp acert in
Hello. Just rolled 1.1 million miles on my 475 hp acert in an 05 pete 379. I bought it at 570k miles from my dads rigging company in CA. It has been a VERY reliable engine for me. I have several ???s … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
1993 379 peterbilt W/ CAT, no power when under loads and climbing
1993 379 peterbilt W/ CAT, no power when under loads and climbing hills. I've replaced fuel lines, fuel filters & air filters. Could it be a bad injector?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,245 satisfied customers
At a shop with my 2005 Peterbilt 379 c-15 cat My speedo tach
At a shop with my 2005 Peterbilt 379 c-15 cat My speedo tach and fuel also battery volt meter All quit working but the rest of the gauges work. What could be the problem.… read more
Rudolph Diesel
Rudolph Diesel
Service manager/ Master mechanic
Vocational, Technical or Trade Scho
1,918 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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Cat Man

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I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

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Curtis B.

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

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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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