Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2009 freightliner columbia AF5422, driving down the road and
2009 freightliner columbia AF5422, driving down the road and engine shuts down, dash dead no restart. let it sit and eventially will start. During the down time Fuse #2 in the PDM is not powered. Frei… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Got an 07 freightliner columbia. Has an acert c13. Truck
Got an 07 freightliner columbia. Has an acert c13. Truck runs pretty good when engines cold but literally as soon as thermostat opens, it runs really bad for about 5 minutes then sort of clears up but… read more
Cat Man
Cat Man
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I have a 2006 Columbia freightliner. When im driving at
I have a 2006 Columbia freightliner. When im driving at around 65 mph it starts to spit black smoke from the exhaust. What could it be?… read more
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Wayne
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Vocational, Technical or Trade Scho
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Losing horsepower while going up small hills with an empty
losing horsepower while going up small hills with an empty trailer. Sounds like it's sputtering a bit during idle too. I have a freightliner with a detroit 60 series engine … read more
Curtis B.
Curtis B.
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Im working on a Detroit diesel series 60. Truck randomly
Im working on a Detroit diesel series 60. Truck randomly looses power and smokes awful. Codes I got were SID 146 FMI 2 and SID 147 FMI 2. I have very little experience with the Series 60. Just wonderi… read more
Roy Belding
Roy Belding
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Working on a Cat C12. Burning anywhere from 5 to 8 gal a day
Working on a Cat C12. Burning anywhere from 5 to 8 gal a day last fall during harvest. Brought into shop finally to work on, before it was plain ally visible white smoke from exhaust feeling comfortab… read more
Cat Man
Cat Man
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Im having an issue that I can figure out and seems to be
Im having an issue that I can figure out and seems to be getting worse. Truck is a 2007 Freightliner Columbia witha 14L Detroit S60 with EGR and 10 speed tranny. I have the truck running in boost mode… read more
Daniel Wilson
Daniel Wilson
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Buddy, I have a 2007 Columbia X35320, with a 14 liter 475 hp
Hi buddy, I have a 2007 Columbia X35320, with a 14 liter 475 hp series 60. The problem I'm having has cost a lot of money and know one seems to be able to figure it out. Loaded or empty on any kind gr… read more
Roy Belding
Roy Belding
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1998 freightliner fld120 series 60 Detroit Rockwell/meritor 10 manual (three pedals) elect
1998 freightliner fld120 series 60 Detroit Rockwell/meritor 10 manual (three pedals) electronic switch actuated range shift with auto asist switch (just below the range selector). Only two wires from … read more
Daniel Wilson
Daniel Wilson
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I have 1996 freightliner with Cummin M-11 yesterday I
Hi I have 1996 freightliner with Cummin M-11 yesterday I started to feel some shaking in 9th gear under 40 mph and 10 gear under. 60 mph… read more
Jeremy
Jeremy
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I have a 2005 Freightliner xl Classic with a series 60
I have a 2005 Freightliner xl Classic with a series 60 Detroit I think it's a 500 or a 515 and I was wondering about the operating range And the shift points… read more
Wayne
Wayne
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My columbia freightliner 06 has no enough power when going up the hill at the same time it
my columbia freightliner 06 has no enough power when going up the hill at the same time it takes alot of fuel and the smoke is normal.whats the problem?or does it have to do with egr. Well, a detroit … read more
spankyjr1
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2001 freightliner century with n14 celect plus and 10 speed
2001 freightliner century with n14 celect plus and 10 speed regular.....engine stutter when shifting from 9 to 10th gear at 1500 rpm and blows black smoke....… read more
Andy
Andy
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I have a Columbia 120 Detroit Series 60, truck just cranks
I have a Columbia 120 Detroit Series 60, truck just cranks but won't fire. We change the X Y Shifter, wiring harness to transmission ECM, no good. Getting ECU 130 and NO EnG. Changed batteries. Please… read more
Travis A. Wells
Travis A. Wells
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Truck keeps losing power when loaded. It wont do more than
Truck keeps losing power when loaded. It won't do more than 30 miles per hour up hills and sometimes does the same on flat ground. Will not go above 1400 Rpm's in tenth gear. Have replaced v pod, turb… read more
Cat Man
Cat Man
Cat Engine Expert
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I have a 515 detroit 60 series built dec 2004 in a 2005 Western
I have a 515 detroit 60 series built dec 2004 in a 2005 Western star I am gettting oil in my fuel tanl its sputtering and has a loss of power mostly during pulling a grade. About a month ago after a 1… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have 2005 freight liner Columbia Detroit diesel 60 series
I have 2005 freight liner Columbia Detroit diesel 60 series 14 litter my truck was fine but idling sound had changed any time i come on hill loaded/empty/bobtail it's gonna throw check engine light an… read more
Expert
Expert
I have a 2007 freightliner Columbia with a Detriot engine,
I have a 2007 freightliner Columbia with a Detriot engine, yesterday it started blowing black smoke, losing power, check engine light came on and engine fan also. I was told that the egr valve was bad… read more
Buddy
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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

10,245 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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