Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
I have cat C15 acert engine serial number mxs 09748 and it's
I have cat C15 acert engine serial number mxs 09748 and it's throwing codes 92 93 94 and 95 all at the same time any ideas… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
1998 INTERNATIONAL 3800 SCHOOL BUS HERE. BUS WILL RANDOMLY
1998 INTERNATIONAL 3800 SCHOOL BUS HERE. BUS WILL RANDOMLY DIE. DOAG SCAN FOUND 3 INACTIVE CODES. SID-21/FMI-4 FLASH CODE 612, SID-21/FMI-8 FLASH CODE 144, AND SID-21/FMI-2 FLASH CODE UNDEFINED. LOOKS… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,177 satisfied customers
2005 international 7600 c13 engine. It has some codes for
2005 international 7600 c13 engine. It has some codes for data link issues . But it has two codes SID. FMI 232. 14 232. 4 Which I believe are the problem for the engine not having power. Came in with … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
97pete 379 model 550cat having trouble under load pulling
97pete 379 model 550cat having trouble under load pulling hills. It bucking bad. Changed both fuel filters. Every now and again it grows code 21. Help… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Im working on a 3126 and its giving me a low oil pressure
Im working on a 3126 and its giving me a low oil pressure and actuation pressure reading. What do you think it could be? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a caterpillar c13 engine. I have a 2948-3 code that I
I have a caterpillar c13 LEE engine. I have a 2948-3 code that I can't seem to get rid of. I replace the sensor under the valve cover and the wires and harness seemed ok. I replaced the oil pressure s… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
HAVE TWO CAT CODES 286-5 AND 287-5 INTAKE VALVE ACUATOR #2
HAVE TWO CAT CODES 286-5 AND 287-5 INTAKE VALVE ACUATOR #2 AND #3 CURRENT LOW, IS THIS LIKELY TO BE THE ACUTATORS OR WOULD IT BE A BAD OR LOOSE WIRE HARNESS JUST DONT WANT TO DUMP EXTRA MONEY IF NOT N… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
2003 freightliner columbia day cab series 60 engine had
2003 freightliner columbia day cab series 60 engine had flash code 32, 42. Do you have the troubleshooting steps and wiring diagram? Thanks… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Cat man, I have a 2001 ford 650 with a c7 cat, we are
hi cat man, I have a 2001 ford 650 with a c7 cat, we are troubleshooting an issue causing the truck to shut down/idle and run erratically. the codes we have been getting all on and off are for low and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 07 international isx 450 with code 128:f04 SID221_a and also has code 128:f02 PID
I have a 07 international isx 450 with code 128:f04 SID221_a and also has code 128:f02 PID 190_a Warn light comes on and tack stops working… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,177 satisfied customers
I 2006 international 4300 with dte 466 I have 354 code
I 2006 international 4300 with dte 466 I have 354 code that's inactive. I used have it go active but after tighten a loose maps sensor it seems the map sensor code 123 in range fault gone... Now I get… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Cummins N14 Celect plus .Missing and lost of horse power
Cummins N14 Celect plus .Missing and lost of horse power ..Problem started with white smoke and number 6 injector receives signal but doesn't return it fault code 325 I paid a guy to hook computer up … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,177 satisfied customers
I have a 2006 volvo vt880 with a cummins isx 565. Climbing
I have a 2006 volvo vt880 with a cummins isx 565. Climbing a grade I suddenly lost my turbo boost. After inspection I saw that I blew the gasket between the egr valve and exhaust manifold. Replaced ga… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,177 satisfied customers
I have a 04 freightliner with Detroit series 60. I am getting
I have a 04 freightliner with Detroit series 60. I am getting codes 128 098 4 pid voltage below normal or shortened low. 128 095 3 pid voltage above normal or shortened high. 128 058 4 Sid voltage bel… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Im working on a c15 cat mxs I got a code 383-3 I got 5 volts
Im working on a c15 cat mxs I got a code 383-3 I got 5 volts on 1 ground on 2 11.9 volts on 3 of sensor plug I have change the sensor wire harness from ecm to engie ihave replaced harness from cab to … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2010 Pete with C13 in it. Have check engine light
I have a 2010 Pete with C13 in it. Have check engine light and fault code showing intake valve oil pressure, can this just be a sensor that I can change? Will code go away after I do? Truck will not r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a c15 cat in a kw w900b with logged code intake
I have a c15 cat in a kw w900b with logged code intake actuation pressure sensor, but having problems diagnosing cause as my ECM won't even give my a code if I unplug the sensor from motor?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a msx47604 with code 385-1 low intake valve actuation
I have a msx47604 with code 385-1 low intake valve actuation system oil pressure. I can't tell by driving that it has any effect on the performance power,torque or fuel economy.Is this harmful to my e… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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

7,177 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

< 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