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
My 2006 Kenworth recently pooped 4 codes and lost pressure
My 2006 Kenworth recently pooped 4 codes and lost pressure and boost turbo. The codes that popped first were PID 102 FMI 3 and SPN 102 FMI 3 then about 30 mins later 2 more codes popped PID and SPN 38… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
On my 2005 CAT C7 350 I have been experiencing a check
Hi. On my 2005 CAT C7 350 I have been experiencing a check engine light. The code it is is throwing is 102-3 and flash code from the dash 25. This problem has been intermittent until today. Previously… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I need a Cat Truck expert for 2007 Freighliner HW66881 6442
I need a Cat Truck expert for 2007 Freighliner HW66881 6442 hrs 11924.8 hrs. Cat C7 Ser #WAX52843I have a truck that has had Huei pump replaced Fuel transfer pump and Injectors seals by previous shop … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have 2004 m2 freightliner, start truck up cold engine,
have 2004 m2 freightliner, start truck up cold engine, coolant light will come on shut truck off but not all the time replaced coolant sencor on block still same thing.also cat et temperature said it … read more
Andrew G.
Andrew G.
Heavy Truck Mechanic
Heavy Duty Equipment - Truck and Transport Mechanic
4 satisfied customers
I have many codes that are up onthe screen. Code 102 fmi 18
Hi.. I have many codes that are up onthe screen. Code 102 fmi 18 code 1209 fmi 2. Spn 77 fmi 3 spn 1387 fmi 3. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a Pete. Sorry, I have a Pete. 335 with a C7 Cat it
the turbo was replaced however the wastegate line was accidentally left disconnected prior to these faults… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
We have a cat c7 with flash codes showing nearly all sensors
We have a cat c7 with flash codes showing nearly all sensors having issues, could this be caused by an electrical short somewhere or some other issue causing all sensors to report incorrectlyFlash Cod… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Have 3126b in motorhome cuts out lighting fast the more
have 3126b in motorhome cuts out lighting fast the more power you need the worse it is watch fuel position and frc fuel limit drop and instantly come back up and can watch counts for boost pressue not… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
We are having issues with a cat c7 running rough, stumbling
Hi we are having issues with a cat c7 running rough, stumbling and low power when it warms up.The SN is WAX69825The active diagnostic codes are 108-3 111-2 105-3 164-3 70-5 102-2 91-8 110-3… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have 3406e with serial number 5ek67120 truck was running
have 3406e with serial number 5ek67120 truck was running excellent and customer installed after market programmer and on intial power up and test drive check engine light came on I pulled codes and go… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
1996 cummins m11 34787354, Sce661ejdarw. Engine is throwing
engine is throwing codes p111,p100 as of now but also throwing boost pressure, check engine light is on and shut down light is on. loss of power all though all gauges seem to be fine … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a cat 3176 on a freightliner fld 120. It's got a
Hello. I have a cat 3176 on a freightliner fld 120. It's got a 102-13(42) code … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a Cat C-7 WAX38677 This unit has several codes,
Hello I have a Cat C-7 WAX38677 This unit has several codes, 173-11, 102-1, Also 108-3, 231-2. Dose any one have the diag info and advice on these… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
This message is Man, working on a 2008 Peterbuilt with a
This message is for Cat Man, working on a 2008 Peterbuilt with a c-15 acert, the truck is going into limp mode, we have a code of FMI10 SPN102, before coming to us they have replaced the charge air co… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hello I have a cat c9 ESN 9DG05930 this unit always has turbo
Hello I have a cat c9 ESN 9DG05930 this unit always has turbo protection derate active in the status flags. It is only making 15 psi of boost at full load no codes set .… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hi I have a 2004 MBN C-15. Im having an intermittent issue
Hi I have a 2004 MBN C-15. I'm having an intermittent issue that involves the turbo. Each morning about 1/2 hr into the drive I will get a momentary engine light, code reads 102-Boost Pressure, 3-volt… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a C7 cat [kal85083] with a code 102-3 boost pressure
I have a C7 cat [kal85083] with a code 102-3 boost pressure high[25].I used a lap top with cat soft ware to retrieve this code.It is not an active code. Customer complains that truck goes into limp mo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
i have a 06 international 9900 with a C15 CAT ESN:MXS67145
i have a 06 international 9900 with a C15 CAT ESN:MXS67145 check engen light on. pluged in with cat ET and had three codes. 0108-36 barometric pressure voltage high 0231-12 j1939 device not responding… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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

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.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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