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Check engine light flashes oil light flashes engine shuts
Second opinion] Check engine light flashes oil light flashes engine shuts down. Only code is 6-1 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
We have a 2005 Peterbilt 379 and im looking for a diagram on
We have a 2005 Peterbilt 379 and im looking for a diagram on how to hook up the 4 12v batteries. Also how to put the ecm back on … read more
Bradey V
Bradey V
Certificate
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
3,400 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
203 satisfied customers
I have a 05 mxs c15 in a century and I have a coolant sensor
I have a 05 mxs c15 in a century and I have a coolant sensor issue. I changed the t-stats so i drained the coolant almost all the way nut when I went to fill it back up I started to get an active faul… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I've got a c15 mbn that will hunt and very in engine rpm
Hi I've got a c15 mbn that will hunt and very in engine rpm from(###) ###-####rpm , … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 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
10,044 satisfied customers
2004 Kenworth C15, i get 2.6 volts to the coolant diverter
2004 Kenworth C15, i get 2.6 volts to the coolant diverter sol, what voltage should i get? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a 2005 Pete 379, AC won't turn on ,system is charged,
I have a 2005 Pete 379, AC won't turn on ,system is charged, I need a wiring diagram for the system, all fuses test good, don't think I have power to the control panel switch for AC , I have it apart … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a 1999 Pete 379 with 3406e. Wiring for the two
I have a 1999 Pete 379 with 3406e. Wiring for the two coolant temp sensors was rigged by previous owners. Having problems trouble shooting to find which goes to which sensor. (i.e. gauge or ECM). Also… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
My stop engine light is comming on i have a 97 pete with a
my stop engine light is comming on i have a 97 pete with a c15 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
Have good oil pressure from start after engine warms up and
Have good oil pressure from start after engine warms up and under load it will derate the power over 1500 rpm will not do it if there is no load when power drops oil pressure gauge drops to 0. Rpm dro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a cat c15 acert twin turbo engine... serial
Hello there, i have a cat c15 acert twin turbo engine... serial #MXS46458. I recently replaced the main and rod bearings on it. All bearings still looked in good condition BUT #4. Was badly worn. I no… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
2004 Peterbilt w/C15 Acert (BXS) Okay i finally got fan
2004 Peterbilt w/C15 Acert (BXS) Okay i finally got fan situation figured out and it now cycles on @ 217 and off @206 like it should. BUT now when it gets hot (230 i believe) the buzzer comes on and "… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
working on c15 e/n mbn 10972 in a 2003 pete and eng cooling
working on c15 e/n mbn 10972 in a 2003 pete and eng cooling fan won come on even at 218. r&r sensor at ther housing. also cant comunacate with ecm… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
hi,I got a 2005 379 engine peterbilt, every morning it starts
hi,I got a 2005 379 engine peterbilt, every morning it starts ok. and runs for 3 or 4 minutes and then gets kill down and I have to use starter fluid to make it work, I have this problem every morning… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Hi I just purchased a 2005 peterbilt 387 with a c13 I bought
Hi I just purchased a 2005 peterbilt 387 with a c13 I bought it knowing it has possibly a blown head gasket or cracked head it is pressuring coolant tank with a little oil in it to but no water in the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a c15 acert. I have a fault code 27. However I did
I have a c15 acert. I have a fault code 27. However I did replace the temperature switch located on the bottom of the termostate cage. Also I replaced the plug The fan is on all the time ? I check the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,044 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 satisfied customers

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

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cumminsdr

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Chris (aka-Moose)

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16 years of experience

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dieseldan55

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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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