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 jave a could codes pop up can you help? Wax77755 Cat c7. I
I swapped the iap sensor works better but still not fixing it entirely … read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
8 satisfied customers
Have a c7 cat with fault codes 164 and 42. Replaced wiring
Have a c7 cat with fault codes 164 and 42. Replaced wiring harness on engine and injectors. Still missing and smoking … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
We have a Cat Engine on our 2005 C7 Engine. We took it to
We have a Cat Engine on our 2005 C7 Engine. We took it to CAT repair plz … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
We have a cat C7 engine on our RV. We took it to CAT repair
We have a cat C7 engine on our RV. We took it to CAT repair shop and the codes are reading 164-11 and 164-2. We had a could oil leaks that we fixed. We removed the radiator and fixed them. We then cha… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
608 satisfied customers
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
10,344 satisfied customers
I have a 2005 Freight liner Business Class M2 Caterpillar C7
Hi i have a 2005 Freight liner Business Class M2 Caterpillar C7 Diesel L6, 7.2 (439 CID) The problem that aim having it cut off but it starts again so i change the fuel filters and cleaned the fuel ta… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a low injection pressure code Heui pump checks out
I have a low injection pressure code Heui pump checks out new pressure sensor and all new injectors … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
C7 cat with codes 164-11 and 164-2 new injectors cat brand,
c7 cat with codes 164-11 and 164-2 new injectors cat brand , replaced high pressure pump … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have a 2005 freightliner with a 3126 cat motor, cranks but
Have a 2005 freightliner with a 3126 cat motor, cranks but wo't start ihave 2 active codes pid 164 fmi3 injection actuater pressure and pid110 fmi 3 coolant temp voltage high. I am not even showing th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have c7 cat and it has a irrAric injection actuation
I have c7 cat and it has a irrAric injection actuation signal changed the sensor and the pump doing the same thing… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
8500: 2006 gmc 8500 with c7 cat, ICP pressure was dumping out
2006 gmc 8500 with c7 cat, ICP pressure was dumping out exhaust port on the number 6 injector... replaced the injector..... now for some reason only the number six injector will cycle... 1 through 5 w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
FREIGHT LINER M2: 05 FREIGHT LINE M2 WITH C7 CAT ENGINE TROBLE
05 FREIGHT LINE M2 WITH C7 CAT ENGINE TROBLE CODE DETECTED 164-11 INJECTION PRESSURE SYSTE FAULT(39)… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
Mr. Cat Man, I have a C7 ESN:SAP10990 that will crank and
Mr. Cat Man, I have a C7 ESN:SAP10990 that will crank and run great sometime and sometimes it won't crank at all. I have code 41-11 and code 164-2. I've changed the actuation oil pressure sensor and w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat code164fmi3. I changed pump, sensor and wiring harness.
Cat code164fmi3. I changed pump, sensor and wiring harness. Code still there with engine off n key on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 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