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 cat c15 whit intake valve actuation system oil
i have cat c15 whit intake valve actuation system oil pressure voltage high 95 engine serial is mxs58469… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a Kenworth truck with a C15 engine. It is flashing
I have a Kenworth truck with a C15 engine. It is flashing ACERT codes 34, 28 & 95 with high fault counts for each. I know that these codes may have to do with the Primary & Secondary Engine Speed/Timi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
C15 acert engine light with code 93(actuator 3 is not
Second opinion] C15 acert engine light with code 93(actuator 3 is not responding) I already replaced actuator 3 twice, new harness, switched actuator mount 3/4 to 1/2,ECM replaced and the light still,… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
C15 acert engine light with code 93(actuator 3 is not
C15 acert engine light with code 93(actuator 3 is not responding) I already replaced actuator 3 twice, new harness, switched actuator mount 3/4 to 1/2,ECM replaced and the light still, after turning m… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a flash code 95 on 2007 C15. Called a shop & they
I have a flash code 95 on 2007 C15. Called a shop & they could not identify that code. ???? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Check engine light is flashing. All fluids check out ok. The
Check engine light is flashing. All fluids check out ok. The light is flashing a 95 code. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2006 Freightliner Columbia with Cat C15 engine with
I have a 2006 Freightliner Columbia with Cat C15 engine with an amber check engine light flashing intermittently. I'm showing flash code 4-7. I don't know if it is related but also showing Fault 01 EC… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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
10,344 satisfied customers
Truck came in with flash code 95 and skipping. Replaced low
truck came in with flash code 95 and skipping. Replaced low pressyre actuator valve on cylinder 3 & 4 did not help skip and code come back after i clear it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I had my ECM replaced a week ago. About 20 miles after
I had my ECM replaced a week ago. About 20 miles after replacing the ECM my check engine light started flashing. The mechanic thought maybe he knocked an actuator valve wire loose under the back valve… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have 2005 pet in my shop it came in last week with flaut
hi my name is ***** ***** have 2005 pet in my shop it came in last week with flaut code 281-5 actuator 5 low 94.also had code 289-5 #1 actuator low current 92 it also had intake value actuation oil pr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
My c15 keeps flashing code 95 when engine was rebuilt 1 of
my c15 keeps flashing code 95 when engine was rebuilt 1 of 14 part of pulg cap was broken off would not secure tight but engine ran fine until 2 weeks ago manmifold prusse and pyrometer both dropped w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have 06 Peterbilt with C15 cat you can be going down the
I have 06 Peterbilt with C15 cat you can be going down the road and the check engine light will come on and it will go to running really rough with no power at all plug cat ET into it and it says numb… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a c15 cat in a 05 petebuilt the ck engine light comes
I have a c15 cat in a 05 petebuilt the ck engine light comes on and blinks when you get about 2 miles down the Rd ,I pull the code and only 55 comes up this moning after we dove 3 miles the oil light … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Yesterday the ck engine light came I and I was close to a repair
Yesterday the ck engine light came I and I was close to a repair shop. They hooked it up to a computerand found the intake valve actuation system oil pressure voltage high (95). They replaced the sens… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a c13 twin turbo it has a problem with the #1 valve
I have a c13 twin turbo it has a problem with the #1 valve actuator....the motor use to run well and it would then show engine light and begin running rough... I would shut off key wait and start engi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
C15 code 95. Replace both intake Valve pressure sensor and
C15 code 95. Replace both intake Valve pressure sensor and solenoid still code 95 what can I change next… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have a 07 Kenworth T800 with a Acert C15 engine. When driver
Have a 07 Kenworth T800 with a Acert C15 engine. When driver pulls a load uphill the oil temp just about reaches the red line. Fan is working and all coolers are free and clear. Last time this happene… 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