Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
My 2016 freightliner Cascadia Evo was driving fine this
Hi, my 2016 freightliner Cascadia Evo was driving fine this morning with no issues and then I parked it in the parking lot and went to start it back up but the electric and everything comes on just fi… read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
7 satisfied customers
2002 Freightliner FL70 C7 3126 Cat Motor. First, over a year
2002 Freightliner FL70 C7 3126 Cat Motor . First, over a year ago, all dash lights and instrumentation including speedo just stopped working. Check engine light and fuel gauge do work. This truck has … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 98 freightliner with a N14 and I don't have any
I have a 98 freightliner with a N14 and I don't have any power to pin 16 on the C connector to the ECU cant find any relays or fuses related to fuel where does that pin get its power from … read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
7 satisfied customers
My 08 freightliner m2 keeps losing power randomly while
My 08 freightliner m2 keeps losing power randomly while driving. The motor will bog down for a few seconds or longer then come back to life. It blows black smoke when it occurs. It started happening m… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
581 satisfied customers
I have a 2000 Freightliner c 12 engine I changed the fuel
I have a 2000 Freightliner c 12 engine I changed the fuel filter I started up run for 30 seconds and started cutting out ,fuel level went up on the glass filter housing when it cut out. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2009 Freightliner M2 106 - VIN 1FVACWDT69HAC8857 CEL - ECU
2009 Freightliner M2 106 - VIN 1FVACWDT69HAC8857 CEL - ECU 128 P1d 111 Fail 01 Range InhibitAny idea where to start ? This truck has had a history of multiple "yellow smoke" lights a day - recently. (… read more
RichardH416
RichardH416
Resident Tech
Associates
67 satisfied customers
I have a freightliner with a cat c7 engine, will not start.
I have a freightliner with a cat c7 engine, will not start. Turns over fine. Power and ground at ecm. Flash codes are 58. Cat et shows cold start and no engine speed. Replaced speed sensors and fuel r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2007 Freightliner Columbia with a Cat engine.
I have a 2007 Freightliner Columbia with a Cat engine. Today, after a*****to the house I killed it and then just a few minut3s later realized I needed to move it a few more feet. So got back in to cra… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2000 c10 in a freightliner fld120. Pulled ecm, bench tested
2000 c10 in a freightliner fld120. Pulled ecm, bench tested at a caterpillar shop, ecm tested good. Reinstalled ecm in truck, still will not start. Have 12v going into pin 70, verified multiple times … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2000 model FL -112 freightliner with a C12 will not start
2000 model FL -112 freightliner with a C12 will not start can't get codes check engine light will not come on @ all … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Gud evening. Last question asked was about air dryer,
Gud evening. Last question asked was about air dryer, compressor, air governor and air lines. You answered and I tried. Problem still not fixed. Bypass air dryer. Got new problem. Changed all fuel lin… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
2000 C 12 in Kenworth is not running right. Driver says that
2000 C 12 in Kenworth is not running right. Driver says that coolant was low and he put 1 gallon in and after that truck ran fine. Now however it runs crappy again… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2003 Freightliner with a 12.7L Detroit engine. Having
I have a 2003 Freightliner with a 12.7L Detroit engine. Having problems with starting. When cold the engine cranks over like it has no fuel. We put a space heater on the drivers side of the engine for… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Steve, i have a 2000 Freightliner with a C-12. that was running fine, then it sat
Hi Steve, i have a 2000 Freightliner with a C-12. that was running fine, then it sat for a couple months and now i'm having problems.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
have a 2006 freightliner century with c15 cat. am having starting
have a 2006 freightliner century with c15 cat. am having starting issues. occasionally it won't start. acts like dead batteries but show 12.5 volts. replace ingnition switch, solenoid on firewall and … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
engine starts3or4min. then shuts down it will start again and
engine starts3or4min. then shuts down it will start again and 2 or 3 min then shut down. yellow ck. engine comes on red prt. light comes on/flashes. then shuts engine. 2000 freightliner c 12 cat.engin… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
1998 Freightliner, 3406 engine, stalls after 10 minutes, starts
1998 Freightliner, 3406 engine, stalls after 10 minutes, starts right back up stalls in 15 seconds, starts-stalls in 5, will not start until sitting for a minute or so and repeats except the 10 could … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I am upgrading my 90 KW truck from the early (3176) 40 pin
I am upgrading my 90 KW truck from the early (3176) 40 pin rectangle ecm plug to a 2002 70 pin C-12. The ecm plug that came with the takeout engine only uses to of the 101 power inputs in ports 52 and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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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.

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

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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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