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Related Medium and Heavy Trucks Questions
I have an 04 cat C15 acert just replace the harnesses in the
I have an 04 cat C15 acert just replace the harnesses in the top it will crank and for 30 seconds runs like a brand new truck after 30 seconds it starts to miss and Shake I can kill the truck turn the… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
63 satisfied customers
I have a 2007 kw with a cat acert mxs engine, I have code
I have a 2007 kw with a cat acert mxs engine , I have code 385-3 intake valve actuation system oil pressure voltage high 95… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
63 satisfied customers
Engine brake won't work on low setting. Has new harness
Engine brake won't work on low setting. Has new harness inside valve cover. I manually powered them and they work. No codes. … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
63 satisfied customers
I'm having code 34 and 72 I've replaced the cam and crank
I'm having code 34 and 72 I've replaced the cam and crank sensor still running terrible missing and jerking check engine light flashing … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
63 satisfied customers
I have a 2008 t660 with a isx. i also have a 2005 385 pete
hello, i have a 2008 t660 with a blown isx. i also have a 2005 385 pete with a c15 engine. I see applications where that c15 is in the 2008 and 2009 kw. can i plug hat c15 into the existing wiring har… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
63 satisfied customers
I have a c15 acert and was told I need a manifold reseal and
Hello I have a c15 acert and was told I need a manifold reseal and a pigtail on the IVA #5. After CAT put everything back together and took it for a test drive they said it was making a popping sound.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
C15 acert engine light with code 93(actuator 3 is not
C15 acert engine light with code 93(actuator 3 is not responding) I already replaced actuator 3 twice, new harness, switched actuator mount 3/4 to 1/2,ECM replaced and the light still, after turning m… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
MBN C15 skipping on number when hot under a load... new
MBN C15 skipping on number when hot under a load... new injector harness motor horness and new injector … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
06 mxs 475 acert I wanna know if I update it to a 500 to 525
06 mxs 475 acert I wanna know if I update it to a 500 to 525 or even a 550 will I notice a big gain in power..cause everyone is telling me that in the acerts you notice no power gain in the acert beca… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have t600 with acert engine. During a hard pull especially
I have t600 with acert engine. During a hard pull especially under heavy loads or cold days, it will stumble or puff for 2 or 3 seconds and then it's okay. This random, it doesn't do all the times. It… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
I have cat C15 acert engine serial number mxs 09748 and it's
I have cat C15 acert engine serial number mxs 09748 and it's throwing codes 92 93 94 and 95 all at the same time any ideas… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2005 w900L with a mxs cat. It through a boost
I have a 2005 w900L with a mxs cat. It through a boost sensor code so I changed it. It through a 92 code so I changed the vva seleniod. It still is deregulated and is throwing a 93 code now. I'm start… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Have a c15 2007 same deal fuel delivery is good will crank
Have a c15 2007 same deal fuel delivery is good will crank over just will not fire up owner drove truck to location shut it off did his farming and truck will not crank up now… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have at cat c15 in a o4 peterbilt. Flash codes 72,73,74 but I have a new Ecu with new wi
I have at cat c15 in a o4 peterbilt. Flash codes 72,73,74 but I have a new Ecu with new wire harness about 100k ago. Injectors were not replaced in the overhaul to my knowledge. The truck is an acert … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
having trouble with a 3406e cat. fault code 74 injector 6 current high or low.swapped inje
having trouble with a 3406e cat. fault code 74 injector 6 current high or low.swapped injectors and it stayed with 6. ran a overlay circuit 6 still the same. replaced ecm, still no change. only happen… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hi, I have a CAT C15 Acert, 2006 KW T2000. Was having trouble
Hi, I have a CAT C15 Acert, 2006 KW T2000. Was having trouble starting the engine a week ago, but was able to after jumping a couple of times. Battery started to smell bad and now I find one has explo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hi Cat Man, Iam working on a C-15 CAT Accert Engine.Serial
Hi Cat Man, I'am working on a C-15 CAT Accert Engine.Serial # XXXXX engine was starting to run rough then it eventually just quit running.My customer said there was a code displayed on his dash comput… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,344 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

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

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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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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