Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2015 International Durastar with Maxxforce DT. We did an
2015 International Durastar with Maxxforce DT. We did an In-frame due to low compression on Cylinder 6.also replaced # 6 injector, Now getting low power and seams very low boost, around 9 psi max, cou… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
I have a 1995 Freightliner Ft60 with Cummins 8.3l... will
I have a 1995 Freightliner Ft60 with Cummins 8.3l... will not build more than 10 pounds of boost on the road up a hill I just bought the truck. We pulled the turbo of and we closed the waste gate with… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Too much air pressure on turbo. 2007 international 9900i is
Too much air pressure on turbo JA: What's the make/model/year of your truck? Engine type? Customer: 2007 international 9900i is engine JA: Are you fixing your truck yourself? What have you tried so fa… read more
Scott Anthony
Scott Anthony
ASE Master Technician
HS Diploma
84 satisfied customers
Fault code 3389. 2018 auto car, acx, isl9. Found wires on
Fault code 3389 JA: What's the make/model/year of your truck? Engine type? Customer: 2018 auto car , acx , isl9 JA: Are you fixing your truck yourself? What have you tried so far? Customer: found burn… read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
Isx 15 2014 model serial number 79768571 truck came un with
Isx 15 2014 model serial number 79768571 truck came un with blown turbo installed new turbo truck is only build up to 10 psi boost check for codes no codes replace the turbo boost sensor on the intake… read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
I got 2007 freightliner Columbia coming these error, We
I got 2007 freightliner Columbia coming these error , We changed the turbo because it was leaking oil in turbo and was throwing heavy black smoke and also changed egr valve it was struck open . Now ev… read more
Bradey V
Bradey V
Certificate
I have a 1999 kw with a c12 in it. 2ks08096 I did an in
I have a 1999 kw with a c12 in it . 2ks08096 I did an in frame on it and put reman injectors and new cam. It has 80psi fuel pressure at idle and up to 140 at 1800 rpm driving. It just doesn't have any… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
5,234 satisfied customers
Have a 2011 mack with a mp8 engine whining sound from engine
Have a 2011 mack with a mp8 engine whining sound from engine at 25psi of turbo boost then it shoots up to 38psi of boost … read more
Mike Mcmillan
Mike Mcmillan
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431 satisfied customers
I have an ISC 8.3 in a Tiffin 08 Phaeton motor home. Check
I have an ISC 8.3 in a Tiffin 08 Phaeton motor home. Check engine light and a whistling noise coming from the engine … read more
Mike Mcmillan
Mike Mcmillan
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431 satisfied customers
I have a 2010 International Workstar with a Maxxforce 13
I have a 2010 International Workstar with a Maxxforce 13 engine. First day using the truck, it ran well but at the end of the day it had no power. I checked air filter and changed both fuel filters, e… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
My truck is a 2012 freightliner with a dd13 miter and i
My truck is a 2012 freightliner with a dd13 miter and i can't get no power over 40. What do u think it might be … read more
Roy Belding
Roy Belding
7,583 satisfied customers
2013 prostar+ with maxxforce 13 egr high low rate detect SPN
2013 prostar+ with maxxforce 13 egr high low rate detect SPN 2659 … read more
Daniel Wilson
Daniel Wilson
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4,737 satisfied customers
97 FORD F7/800 5.9L CUMMINS SERIAL # 45203873 Installed new
97 FORD F7/800 5.9L CUMMINS SERIAL # 45203873Installed new turbo #(###) ###-####not getting pressure to the waste gate actuator. Please help… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I'm working on a 11 maxxforce dt 9/10 215 HP! I'm an
I'm working on a 11 maxxforce dt 9/10 215 HP ! I'm an experienced mechanic but this one has me stumped !! I don't have a lot of experience with the maxxforce! So the truck is in derate and the only co… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have this ISX 671 at my shop i rebuild this engine 6
hello i have this ISX 671 at my shop i rebuild this engine 6 months ago since that it is having a issue of low pulling power the customer pulls around 60,000 lbs at the time of rebuild we used the aft… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Got a 1994 6.5 litre diesel GM with 140 thousand miles and
got a 1994 6.5 litre diesel GM with 140 thousand miles and has no power to pull my 5th wheel travel trailer. The waste gate is closed with the vacuum waste gate accuator and with a boost gauge connect… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 1994 allegro bus. It has a 230 cummins Diesel engine
I have a 1994 allegro bus. It has a 230 cummins Diesel engine and I'm not getting any boost. The turbo is not coming on at all.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
manifold pressure takes forever to build on my 12.7. Any way
manifold pressure takes forever to build on my 12.7. Any way to eliminate the TBS on this truck ? truck is a 98 Peterbilt… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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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