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Related Medium and Heavy Trucks Questions
Working on the cat c7 still. When i supplied shop air to yhe
Working on the cat c7 still. When i supplied shop air to yhe compuchek valve i had bubbles in the tank. The air should stop at yhe regulator correct? Also i have low fuel pressure codes. Low crank pre… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
CAT C7 in 2008 Ford. Takes several seconds before engine
CAT C7 in 2008 Ford. Takes several seconds before engine will start. Sometimes it will not start. Wait a while and spin it several times and finally it will start. Changed fuel rail. Changed transfer … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
We have a no start problem. Started out with 1/4 pump on
We have a no start problem. Started out with 1/4 pump on hand primer it would start. So we thought we have a fuel leak back problem, so changed the check valves, didn't help, continued starting with a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
Plz i need help with my cat engine ... 2004 peterbilt 379
Hello, plz i need help with my cat engine ... 2004 peterbilt 379 Cat c15 Mbn12209 Engine was overhauled 70k miles ago at peterbilt shop . In past few days the truck will derate and And won't accelerat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
Engine not running right im getting codes 46,38,32,26,14 on
Hi engine not running right im getting codes 46,38,32,26,14 on 6nz cat could it be one thing causing them all?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
2002 379 pete c15 6nz cat .engine will not start without
2002 379 pete c15 6nz cat .engine will not start without either . has new fuel pump new injectors new cam and crank sensors new engine wiring harness new check valves new filter housing, new ecm. Has … read more
Edward Haniewski
Edward Haniewski
General Studies/Automotive
1 satisfied customers
I have a clients boat with two 3208 Cat engines 1 motor
HI I have a clients boat with two 3208 Cat engines 1 motor seems to play up from time to time where it seems to loose fuel at the pump and the motor shuts off Prime it with the hand primer pump and it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
I have a Cat 3126B with power loss/missing issue. When it
I have a Cat 3126B with power loss/missing issue. When it started it would miss then blow some blue smoke under load like climbing a grade or accelerating after a stop. They scanned it and foundcodes … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
2006 D12 Volvo engine. I get a light on the dash that looks
2006 D12 Volvo engine. I get a light on the dash that looks like An island fuel pump. With drops coming out of the end of the fuel nozzle. No torque cant pull up a hill on empty trailer. Took it to tw… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2008 Beaver Contessa with Cat C9 engine will not accept
2008 Beaver Contessa with Cat C9 engine will not accept throtle advance smokes heavy black smoke and dies,idles ok. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
CATMAN c15 6NZ73202. i replaced 6 injectors because it was
CATMAN c15 6NZ73202. i replaced 6 injectors because it was blowing a little blue smoke in the mornings ONLY. replaced injectors. truck started missing. didnt do it before... uncovered it all and yanke… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
3406e, I was driving along truck was running fine. Full of
3406e, I was driving along truck was running fine. Full of fuel,about 90 miles into trip, engine started to sputter, got off road, checked water seperator, little water came out. Took filters off both… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a c15 6nz Inframed 100 thousand miles ago truck has
I have a c15 6nz Inframed 100 thousand miles ago truck has no power was thinking the time was out there is a code 42 which is timing out 3 degrees… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
2000 mack cl 713 etech 427 engine. engine misses after rolling
2000 mack cl 713 etech 427 engine. engine misses after rolling and/or idles for a while. does not happen in cold weather does it after 45-50 degrees outside. all uni pumps tested and are ok. transfer … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 3126 cat that I can pump up fuel pressure with hand
I have a 3126 cat that I can pump up fuel pressure with hand primer pump but will lose pressure if it is running or not?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
I have a 2008 Peterbilt with a C15. It has kind of a miss,
I have a 2008 Peterbilt with a C15. It has kind of a miss, it's like someone cuts power to the injectors for a split second. It makes the engine shudder but gives no codes doesn't even kick off the cr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
hello there!!! I used to be a truck mechanic now im just a
hello there!!! I used to be a truck mechanic now im just a truck driver. I just inframed my dads 03 dt466e due to water in oil from leaking liner orings. Ive been cranking and bleeding fuel system for… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
i ihave a 89 peterbilt with a 3406B cat engine overhauled 95k
i ihave a 89 peterbilt with a 3406B cat engine overhauled 95k ago. Before the rebuild the truck had a slight vibration at idle but went away when i would bump the idle up around 900rpm. the truck idle… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,214 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

1,700 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

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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.

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