Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
2008 cummins isx 15 the oil pressure is dropping random, if
2008 cummins isx 15 the oil pressure is dropping random, if i turn off the engine turn back on after 10 sec everything is normal for a random time then again drops, change the oil filter helps for 300… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a cm871 cummins isx. I am proffessional tech. I
Hello, I have a cm871 cummins isx . I am proffessional tech. I inframed this engine andhave low oil pressure… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a Kubota L3240. while running it last week I think I
I have a Kubota L3240. while running it last week I think I ran it out of fuel. The fuel gauge still said I had 1/4 tank but when It started running rough and sputtering I checked the tank and could s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,176 satisfied customers
Coolant coming in intakes 123 front being 1. not the egr its
coolant coming in intakes 123 front being 1. not the egr its caped. not head gasket it was new. No signs of coolant getting passed gasket it upon inspection after removing head. no pressure in coolant… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2005 kw w900 with an isx cummins and some times come the
2005 kw w900 with an isx cummins and some times come the protection engine light … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have an isx 500, just put rear seal oil pan and reman air
I have an isx 500, just put rear seal oil pan and reman air compressor, they over folled it with oil so it blew out a gallon right away. But the compressor has a knock in it, so I put an external air … read more
Roy
Roy
shop foreman
Associate Degree
4,477 satisfied customers
I have a Cummins ISC 275HP engine in my motorhome. While
I have a Cummins ISC 275HP engine in my motorhome. While driving the amber engine light and bell came on momentarily...and the the red stop engine light also blinked on. No loss of power or anything..… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
same vehicle 1999 4700 t444E 7.3Ltr. I'm having some
same vehicle 1999 4700 t444E 7.3Ltr. I'm having some totally intermittent low horsepower episodes. Unfortunately I have not fixed the access port wiring issue to gain access to the engine codes thru t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
1996 rv with cummins diesel turboLow oil light came on time
1996 rv with cummins diesel turbo Low oil light came on for fist time and engine could not get above 50mph on the highway then stalled. Restarted after turning ignition off then on again but same prob… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
3126 cat 1998. Went on vacation. Live at about 300 ft above
3126 cat 1998. Went on vacation. Live at about 300 ft above sea level. We took the motor home to about 9000 ft. Stayed a few days. Motorhome was parked for5 days. Day 6 we took the motorhome towing ou… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
2007 Volvo 670, Cummins engine 425 hp, We keep getting check.oil
2007 Volvo 670, Cummins engine 425 hp, We keep getting check.oil ALERT...TA was changing sensors...made mistake by putting oil sensor in to fuel sensor place... Now after they fixed that for 2 months … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,176 satisfied customers
Hello I got problem I mentioned I got cummins isx15 every 5000
Hello I got problem I mentioned I got cummins isx15 every 5000 miles exact 5000 miles after oil change the check engine says low oil pressure and truck dies then I start it it goes again when I change… read more
cumminsdr
cumminsdr
Mechanic
3,887 satisfied customers
i have a 96 Freightliner with 3406e 4025 Cat in it. The other
i have a 96 Freightliner with 3406e 4025 Cat in it. The other day the check engine light came on then the shut down light soon followed. I pulled over as it shut off. I checked the water and oil and a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hey there, I purchased a 1990 intl. VIN#1htglcut5mh376117 plow/sander
Hey there, I purchased a 1990 intl. VIN#1htglcut5mh376117 plow/sander with Cummings N14 engine w/jake, Fuller Trans for winter use that blows white smoke don't know how long this existsed, Ran truck a… read more
cumminsdr
cumminsdr
Mechanic
3,887 satisfied customers
Scangauge KR codes showing codes on Peterbilt 386.
2009 Peterbilt 386 has 5 codes coming up Truck has Cummins ISX motor. All codes come from my scangauge Kr device I'd. Fm. Cnt 1. 5018. 2. 1 2. 101. 0. 6 3. 974. 03. 126 4. 974. 03. 126 5. 2797. 8. 0 A… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,176 satisfied customers
Hello I have a M11 that is giving me low oil pressure readings
Hello I have a M11 that is giving me low oil pressure readings it has run fine 25 psi then all of a sudden it dropped to 15 psi then down to 8 to 10 psi. the engine derated I stopped let it cool down … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,615 satisfied customers
I have a 2005 freightliner columbia mercedes benz engine
I have a 2005 freightliner columbia mercedes benz engine mbe4000. i was going down the road at about 70 mph when the oil pressure guage was running low 25 psi. shut down and check engine lights came o… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
have 2002 motor home with 8.9 400 hp cummins. Never had an
have 2002 motor home with 8.9 400 hp cummins. Never had an oil leak on the ground until last year had mobile oil changer change oil. He said it was Rotella T 15w40. Ever since blow by tub is leaking, … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 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

7,176 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

3,887 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