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 2005 freightliner m2 106 wont start, getting an ecu 128
my 2005 freightliner m2 106 wont start, getting an ecu 128 when trying to start, checked diagnosis and I get 6H 164, sid 022, fail 07 fault 1 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
2007 C7 cat. 0 power on hills. Skips at full throttle leaves
2007 C7 cat. 0 power on hills. Skips at full throttle leaves me doing 3 mph. But most of time just lacks a little power … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
L change the injectors cup on c7 and l get code 6h 164 sid
l change the injectors cup on c7 and l get code 6h 164 sid 022 the truck is freightliner m2 they roan whit starter fluid but if l turn off they not roan again at lease if l put mor stater fuid estart … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I have a freightliner with a cat c7 engine, will not start.
I have a freightliner with a cat c7 engine, will not start. Turns over fine. Power and ground at ecm. Flash codes are 58. Cat et shows cold start and no engine speed. Replaced speed sensors and fuel r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
2007 CAT C7. MILITARY TRUCK. CODE 164-02 WILL FLASH ON
2007 CAT C7. MILITARY TRUCK. CODE 164-02 WILL FLASH ON PERIODICALLY THEN GO OFF. IT WILL ONLY BE ON FOR A FEW SECONDS. CAT ET SHOWS DESIRED ACTUATION PRESSURE AND ACTUAL PRESSURE INLINE WITH EACH OTHE… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
If my heui pump on my cat c7 has a light paste of metal
If my heui pump on my cat c7 has a light paste of metal shavings is it absolutely necessary to replace all 6 injectors along with heui pump … read more
Aaron Evans
Aaron Evans
MOBILE FLEET MANAGER
44 satisfied customers
Cat c7 serial #71176 wont run will start with ipr unplugged
cat c7 serial #71176 wont run will start with ipr unplugged and a shot of either dies out when i plug in the ipr new heui pump… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
Cat c7, 2004 m2 freightliner, doing it myself, i have a cat
hi JA: Hi. What is your issue regarding? Customer: cat c7 JA: What's the make/model/year of your truck? Engine type? Customer: 2004 m2 freightliner JA: Are you fixing your truck yourself? What have yo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
Bud. I have a question for ya on a C7 cat in a 2005 ford. It
Hey bud. I have a question for ya on a C7 cat in a 2005 ford. It is a 210hp is there any way to bump up the hp a little without major parts replacement like injectors and turbo? I have cat et. Thanks … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I have a Cat C7. It is a cat certified remanufactured block
Customer: I have a Cat C7. It is a cat certified remanufactured long block that we installed last year. We had a cold start (-2f). I ended up having to give it starting fluid (turned key on, waited fo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I have cat c7 giving me starting issues. The esn is
I have cat c7 giving me starting issues. The esn is wax02280. I hooked cat et to it and got a low cranking fuel pressure. Hooked my fuel pressure gauge and get no reading when cranking. Truck has no h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I HAVE A 2005 FREIGHTLINER M2 WITH A CAT C7. IM GETTING A CODE
I HAVE A 2005 FREIGHTLINER M2 WITH A CAT C7. IM GETTING A CODE 164-02 OR FLASH OUT CODE 15 INJECTION ACUATION PRESSURE SIGNAL ERRATIC LIGHT COMES ON AND REDUCED POWER HOW DO I TEST OR GET A PINPOINT T… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I have a c7 kal48842 wants a week smocks runs bad check . one
I have a c7 kal48842 wants a week smocks runs bad check . one code not active 164-11-39 . ran a injector auction pressure on cat test ok . one time computer lost comuation and would hock up to cat et… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I have a Cat C7 Acert in a 2005 freightliner M2. The engine
I have a Cat C7 Acert in a 2005 freightliner M2. The engine serial number is ***** The problem I am having is that the engine is surging at idle and when driving. I have Cat ET, No active codes are pr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
2004 C7 again New long block new huei pump all new sensors
2004 C7 again New long block new huei pump all new sensors at head area new check valve new injectors using Cat ET still has 164-2 code Runs great any other ideas? The parts guys love you by the way… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I am having an identical problem to a conversation you had
I am having an identical problem to a conversation you had with a guy named Javier about a year ago. My Freightliner M2 with Cat C7 acert continues to blow blue/white smoke and then stalls out. The fu… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
I have a freightliner m2. C7. 300hp. It shows code 6H 164.
I have a freightliner m2. C7. 300hp. It shows code 6H 164. 51d 020 fail 07 can you help.... also should this truck have alot of blow by… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 satisfied customers
So we replace the heui pump on the 06 freighligner with the
So we replace the heui pump on the 06 freighligner with the cat c7 engine and the first day was running ok but today when we are doing 55 to 60 mph at a steady throttle the truck sputters and also it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,069 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

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,069 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 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