Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
I have a 2013 international maxxiforce 13 truck. This truck
I have a 2013 international maxxiforce 13 truck. This truck was deleted the dpf system. but when I bought it, they rebuilt it again, it changed ECM. doc and dpf. after that it started to make white sm… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
I have a 2010 Peterbilt with a 489 Cummins no DEF. twice it
I have a 2010 Peterbilt with a 489 Cummins no DEF. twice it lost boost to about 8 psi a few weeks apart then I got fuel with water in it and it started losing boost again. I changed fuel filters and i… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
9 satisfied customers
ISX CM871 ESN 79324675 I need to test the dpf doser and
ISX CM871 ESN 79324675 I need to test the dpf doser and shutoff valve with Insite could you let me know the steps to do this right? I have a clue but will like to get your input, it is doing regen but… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,300 satisfied customers
Returning at you with a question My boost gauge is not
Hey bossReturning at you with a questionMy boost gauge is not working when parked I press accel pedal and i will get 5 psi after 2 secondsBefore it use to go up to 45psi in less than 1/2 a second Any … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
Got a mind blower here: 2014 Ford F450 6.7L Diesel VIN:
got a mind blower here:2014 Ford F450 6.7L Diesel VIN: 1FD0W4GT1EEA93834NO CODES SYMPTOM: loss of power, and subsequent slowing of vehicle to almost to the point of stalling.WHEN: For about a year but… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
353 satisfied customers
2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2017 Kenworth T680 with a cummins isx. It keeps
I have a 2017 Kenworth T680 with a cummins isx. It keeps throwing a check engine light (with the wrench inside). The code is always the same, "intake manifold pressure". It threatens to derate the eng… read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have an isx 15 Cummins with low boost pressure about 20
I have an isx 15 Cummins with low boost pressure about 20 psi. I checked turbo and it is ok. Checked for leaks in cache system no leaks. Performed vgt test it passed. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,300 satisfied customers
On more level ground i cruise at 75 mph no problem and very
On more level ground i cruise at 75 mph no problem and very little white smoke. When climbing hills or mountain grades i lose speed and power booster guage wont go past 30 on dash. And my exhaust pump… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I run a 2010 isx cummins replaced the turbo, now i only get
i run a 2010 isx cummins replaced the turbo, now i only get 18-20 psi boost plus start truck up and may run fine other times start up and truck blows smoke and loss of power have to restart and run fi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2007 ISX CM871 high exhaust temp and black smoke when foot
2007 ISX CM871 high exhaust temp and black smoke when foot in throttle. Truck seems to be down on power some. May not be but I don't think it has the power it should. Can I get some trouble shooting h… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2006 IH 4200 VT365 engine. Engine runs smooth but has Very
2006 IH 4200 VT365 engine. Engine runs smooth but has Very low power from a dead stop and when climbing hills. Only builds 2#'s of boost until the truck gets going and then it slowly goes higher. Exha… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2010 intentional isx cm871 in my shop with a code
I have a 2010 intentional isx cm871 in my shop with a code of spn 94 fmi 18 as low delivery fuel pressure. Put my inside on truck and checked Dara logger and fuel rail pressure is 240 to 280. Is that … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
i have a 2007 kenworth t800h with a 565 isx high exhaust temp
i have a 2007 kenworth t800h with a 565 isx high exhaust temp 1100 degrees 30 to 40 psi boost when under load but 5 psi when jaking down hill lot of black smoke turbo seems to hesitate then just takes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2010 peterbilt 387, w/cat sdp engine, 475hp. I have
I have a 2010 peterbilt 387, w/cat sdp engine, 475hp. I have 2 issues. 1. When pulling hills, long ones, the manifold pressure fluctuates. This happens when I let off the throttle or when I shift gear… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
my 99 international looses power and powers out totally and
my 99 international looses power and powers out totally and has to stop going up a short steep hill.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Hi, my name isXXXXX own Freightliner Century 2004 Detroit
Hi, my name isXXXXX own Freightliner Century 2004 Detroit 60 engine last 6 vin M12223. Have a loss of power issue with my truck . And this killing me. When I driving without trailer everything is fine… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2008 Peterbilt with a 2007 ISX 485 engine. I have
I have a 2008 Peterbilt with a 2007 ISX 485 engine. I have low turbo boost and a de-rate condition along with no state 3 engine brake. Some of the time the truck runs great, other times it has low pow… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,300 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

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

4,300 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x