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I have a 2009 Mack truck here the model gu713 here serial
I have a 2009 Mack truck here the model gu713 here serial number ho80208006 the truck blows lots black smoke here a pic of the codes I think maybe turbo bad how do I start troubleshooting this… read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
561 satisfied customers
Working on a 2011 mp7 mack and was needing to know part
working on a 2011 mp7 mack and was needing to know part number to def line to back of head on driver rear under the fuel line… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,506 satisfied customers
2007 mack GU713 MP7. Mack / gu713/2007/ mp7. Ppid 330 fmi 4
Yes I'm fixing it looking at fuses but don't know which fuse… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
We have a HD truck shop in South Bend, In. Weird one. Have a
Good Morning, My name is***** have a HD truck shop in South Bend, In. Weird one. Have a 2007 model Mercedes MBE 4000-450, 12.8 Liter engine number(###) ###-#### This engine is in a crane truck, only 8… read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
561 satisfied customers
I have the code p113000 on a Mack mp8. The code is exhaust
I have the code p113000 on a Mack mp8. The code is exhaust post-treatment fuel air bleed valve stuck closed. I'm trying to figure out where the valve is. Could you help with that? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,506 satisfied customers
My son has a cummins engine in a semi that has 400,000miles,
My son has a cummins engine in a semi that has 400,000miles, the last of the VIN is R3BJ361884 (because anytime anyone asks about the engine they want those numbers. The turbo went out on it and it wa… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
2009 Mack GU713 with a MP8-425M Hard start when sits
Second opinion] 2009 Mack GU713 with a MP8-425M Hard start when sits overnight cranks over then shuts off … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 satisfied customers
Have a 2000 mack rd688s.Driver said it was using 2 gallons
Have a 2000 mack rd688s.Driver said it was using 2 gallons engine oil a day. He also said it was blowing a heavy stream of white smoke, especially when jake brake was on. When i test drove it i for th… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,506 satisfied customers
2007 mack with an MP8 engine.The customer brought it to me
2007 mack with an MP8 engine.The customer brought it to me after spending over 20,000 at a mack dealer and having a delete done hoping it would fix his low power.i am not a Mack expert so it is a scho… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,506 satisfied customers
2013 isx15 3375 fault. Excessive regen. 2013 peterbilt 386.
Exhaust removed, when you rev up and let off the throttle engine white smokes just before it comes back to idle. Replaced fuel control valve, fuel rail pressure sensor, egr diff pressure sensor, exhaust back pressure sensor. Cleaned egr cooler and valve, adjusted valves. Updated software. Cleaned dpf. Doc is spotted. Not horrible. Dpf looks good. 240,000 miles smoke smells like fuel. Driver recently claims engine is used by oil. Unable to verify yet. Regen log shows every 2 hours. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
4300 international started and runs but has low power. Had
4300 international started and runs but has low power. Had to replace idm, idm wire harness #6 injector runs don't skip no codes low power and smoking… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have a 2009 MaxxForce on my medium duty truck. I have two
I have a 2009 MaxxForce on my medium duty truck. I have two trucks with the same problem, excessive white smoke, fuel smell and I have already checked the egr coolers (no links), egr system and censor… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I HAVE A PERKINS DIESEL MODEL NUMBER 1004-40T SERIAL NUMBER
HELLO, I HAVE A PERKINS DIESEL MODEL NUMBER 1004-40T SERIAL NUMBER AK70453. THE ENGINE WILL START AND RUN CORRECTLY FOR A SHORT AMOUNT OF TIME. THEN THE ENGINE WILL SHUT ITSELF DOWN WITH A PUFF OF WHI… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,413 satisfied customers
We have 1989 western star with l10 400 hp Cummins motor in
we have 1989 western star with l10 400 hp Cummins motor in it. We did an inframe to the motor, we sent cyl head out for rebuild, head was cracked, after 5 attempts the machine shop found a good core t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
I have a 2009 freightliner cascadia with detroit series 60
Hello i have a 2009 freightliner cascadia with detroit series 60 14.0 engine. Its giving me a big problem where it just got repaird of bad wet sleeves and installed new gaskets in the engine, but when… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
Working on isx cummins blowing a lot of smoke replaced EGR
Working on isx cummins blowing a lot of white smoke replaced EGR cooler was leaking water and smoke continues 2009 ISX… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
I have 2007 international with a isx engine it surges from
I have 2007 international with a isx engine it surges from 600 to 700 rpm while idling , especially when the engine is cold , I replaced the actuators, manifold exaust sensor and the egr valve… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
We have a cummins n14 in a Freightliner. The original problem
We have a cummins n14 in a Freightliner. The original problem was it was missing and popping through the exhaust. We have ran the over head and set the valves. In the cummins computer there are no cod… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,629 satisfied customers
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Daniel Wilson

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

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Chris (aka-Moose)

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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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