Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
I have a code showing on my 2012 Kenworth Cummins engine it
I have a code showing on my 2012 Kenworth Cummins engine it says injector spill valve can you explain to me what that is? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Just installed new lift pump on my 08 kw with a px8 paccar
Second opinion] just installed new lift pump on my 08 kw with a px8 paccar and still not getting fuel to the pump why?… read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
We have a 2009 Kenworth sewer truck with a Paccar PX8
We have a 2009 Kenworth sewer truck with a Paccar PX8 engine. The problem is Fuel priming. There is air in the system and we have checked and or bypassed everything but the final pump and fuel rail an… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Paccar px-9 air compressor removal. 16 Pete with paccar
Just need the removal procedure and installation torque specs … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
2009 kenworth, cummins 2150 with the following codes, need
2009 kenworth, cummins 2150 with the following codes, need diagnostic info for all 3 codes along with wiring diagrams. Thanks … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
PLEASE DO NOT ANSWER IF YOU PERSONALLY ARE NOT KNOWLEDGEABLE
PLEASE DO NOT ANSWER IF YOU PERSONALLY ARE NOT KNOWLEDGEABLE OFTHIS? PacCar PX8 need assistance on How to uninstall & install fuel pump 2013 Kenworth trash truck… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
2014 perebilt Isl 9, px9, 4726 and 2372 codes, fuel filters
2014 perebilt Isl 9, px9, 4726 and 2372 codes, fuel filters have been replaced and no visible fuel leaks. lines to water separator are clear other potential faults?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a 2009 kenworth T660 with an isx one day it decided
I have a 2009 kenworth T660 with an isx one day it decided not to start. We replaced both cams about two weeks ago and drove the truck 5000 miles now it won't start and has a code of 2215 I hear the l… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
490 satisfied customers
2009 KW t 370 Paccar engine loses fuel prime after statrting
2009 KW t 370 Paccar engine loses fuel prime after statrting cold overnight in the 20s. Must wait for electric pump ans cycle it three times to restart, will die again in a few seconds to a minute or … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
T300 - travels fine, bucket curls pretty well but no power
t300 - travels fine, bucket curls pretty well but no power to lift the arms … read more
Daniel Wilson
Daniel Wilson
7,200 satisfied customers
Working on isc got engine light on I can only go 35 MPH got
Working on isc got amber engine light on I can only go 35 MPH got code 128 157 1 pid rail pressure problem were to start lift pump or high pressure pump already swap the fuel filters… read more
Jackie Dempsey
Jackie Dempsey
Heavy Line Technician
Automotive and Diesel Engines
104 satisfied customers
2008 Peterbilt 335 Vin 2NPLHN7X49M771950, Paccar PX-8
2008 Peterbilt 335 Vin 2NPLHN7X49M771950, Paccar PX-8 (Cummins) 300 hp., 280,000 miles. Enine light goes on and off, truck loses some power but not a lot. Code for injector metering rail #1 pressure, … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I have cummins isc 2009 With dpf It's building very
Hello I have cummins isc 2009 With dpf It's building very excessive blow by even blowing engine oil through blow by What could cause that??… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
my gear pump fuel pressure fluxuates between 65 psi and 100
my gear pump fuel pressure fluxuates between 65 psi and 100 psi rapidly at idle. on a ISL hpcr fuel system what causes that to fluxuate.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
2007 cummins 8.9 ISL PID 94 FMI 1. truck starts and runs fine.
2007 cummins 8.9 ISL PID 94 FMI 1. truck starts and runs fine. code only appears under load. i can read the truck with a prolink. i do not have cummins software. so i cant read fuel pressure. should t… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Hello I have a 2009 cummins ISC ESN 46920511. This unit had
Hello I have a 2009 cummins ISC ESN 46920511. This unit had low fuel rail pressure un der a load. while watching the pressure on the computer it dose not increase with commanded. I already replaced th… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
My 2009 Pete 335 with a Paccar PX-8, would not stay started
My 2009 Pete 335 with a Paccar PX-8, would not stay started for more than 5 - 10 seconds. Had it towed to the shop. They replaced Fuel pump/cap pump, Turbo, ERG cooler kit and ECM. Drove it home, abou… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
have a kenworth t300 with 8.3 cummings serial 390035. engine
have a kenworth t300 with 8.3 cummings serial 390035. engine speed pulsates from time to time at idle. when it does this will only rev to 1800 rpm… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 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

7,200 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

1,351 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