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
Cat man, I have a 2004 c13 kcb engine in one of our trucks.
Hi cat man, I have a 2004 c13 kcb engine in one of our trucks. Since about a few weeks ago, it started blowing white smoke with a raw fuel smell, it isually did this at idle before in cold weather (wi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a N14 Cummins Red Top in a 2000 FRHT. My computer
I have a N14 Cummins Red Top in a 2000 FRHT. My computer says i have low voltage on pin 6,5,4,2. The engine at idle puts out a lot of black smoke. What could it be?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I just put new injectors in my n14 Cummings two mouths ago
I just put new injectors in my n14 Cummings two mouths ago been running fine the other day it started smoking white and then went blowing black smoke and running rough I unplugged each injector number… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
C15 Acert BXS39202 is idling rough and will produce a small
C15 Acert BXS39202 is idling rough and will produce a small puff of white smoke and miss when given a heavy acceleration. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
N14 Cummins in a 2000 Volvo, engine idles relatively good
N14 Cummins in a 2000 Volvo, engine idles relatively good however it dies out once acceleration starts. Emits blue smoke like starving for oil. Possible causes? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
2000 Kenworth with Cummins n14. very low boost. when CAC
2000 Kenworth with Cummins n14. very low boost. when CAC system is tested with intake makifold hose still hooked. i lose all my air from around the head gasket on the brakes compressor. how is that po… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
2009 KW T660 Cummins isx cm871 engine rough idle and smoke I
2009 KW T660 Cummins isx cm871 engine rough idle and white smoke I did the cylinder cut out test with Insite and injector in cylinder #2 is not working Then I did the cylinder performance test and 123… read more
Roy Belding
Roy Belding
7,583 satisfied customers
I've got few suggestions from you before in some power
Hello. I've got few suggestions from you before in some power issues I had on my 2009 C15 Acert. Was satisfied with the suggestions I got from you. Got a different issue going on. White smoke comes ou… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
My Kenworth has a n14 plus and when I'm driving down the
My Kenworth has a n14 plus and when I'm driving down the road it blows white smoke sometimes … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
We put a Cummins N14 celect plus 525 in a 2010 Kenworth. We
We put a Cummins N14 celect plus 525 in a 2010 Kenworth. We got the wiring harness and datalink box all wired up and everything works fine, all the gauges, switches jakes everything. But when driving … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 98 freghtliner with n14 ccummins its been missing
i have a 98 freghtliner with n14 ccummins its been missing when idling latly its like you turnkey off then then back on before it dies completely … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 1988 Kenworth with a Cummins 14.0L engine that has
I have a 1988 Kenworth with a Cummins 14.0L engine that has excessive black smoke when under pressure or high RPM. What are the different things that need to be looked at and in what order?… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Have a problem with an n14 celect plus 525hp. Has a popping in the ex
Have a problem with an n14 celect plus 525hp. Has a popping in the exhaust that is intermittent at idle, but it does not seem to run rough when cold. Once warm the popping sounding is still there and … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
01 6.6 puts out light blue, white smoke when at low speeds
'01 6.6 puts out light blue, white smoke when at low speeds and idle when hot? Engine has had injectors, pump and regulator at 313,000 km. Now has 456,000. Is it pooched? Thanks, Glen… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
Ive got a 1994 Volvo with a N14 cummins, was driving it and
I've got a 1994 Volvo with a N14 cummins, was driving it and the engine started running off to a high speed. put brakes on and it idles down. shut it off and it had a real hard time turning over. once… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,298 satisfied customers
Hello, question on my 2002 KW T2000 N14, Ive notice when idling
Hello, question on my 2002 KW T2000 N14, I've notice when idling some smoke coming out of exhaust pipe but you can see it or I can see it at night when Truck is under spot light nothing during the day… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
2007 hino is using water every couple it got a egr coolant
2007 hino is using water every couple it got a egr coolant it dry on the exhaust and intake side the motor don.t get hot and run good the top tank of rad is hot and bottom is cold… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
My N14 Celect Cummins smokes only at times. when it smokes
My N14 Celect Cummins smokes only at times. when it smokes idling its blue and that is only at times. Sometimes it idles, pure clear smoke. When I am heavy on the throttle it smokes black at the begin… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

4,298 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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