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Freightliner century with detroit 12.7 loosing power going
freightliner century with detroit 12.7 loosing power going up hills and acceleration lagging changed TPS the Turbo boost sensor all oil lines and nothing while driving one time started with small misf… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
1997 freightliner classic with detroit 12.7. When driving
1997 freightliner classic with detroit 12.7. When driving after i reach 70mph and rpm is at 1700 and set my cruise control the rpm gauge only keeps creeping up. Not the engine or the speed just the ga… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have 1997 Freightliner Classic fld120 and my speedometer
Hello I have 1997 Freightliner Classic fld120 and my speedometer stops at 15mph, what could be wrong ? … read more
BrentR718
BrentR718
6 satisfied customers
I have 2006 freightliner century with Detroit 60 12.7 truck
I have 2006 freightliner century with Detroit 60 12.7 truck was running good until 2 days ago, suddenly while I was cruising at 60 mph its start to sputter / jerk fells exactly like cars with distribu… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have a 1997 freightliner classic with a detroit 12.7.
I have a 1997 freightliner classic with a detroit 12.7. While looking in the fuel tank I am seeing air bubbles in it. Not many and the it seems to be .ore noticeable at 1500 rpm. What should I look fo… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 satisfied customers
I HAVE A DETROIT 60 SERIES 12.7 ENGINE SER# 06R0487966 WE
I HAVE A DETROIT 60 SERIES 12.7 ENGINE SER# ***** WE DID IN FRAME ABOUT A MOUTH AGO IT RAN GOOD TILL KNOW CAME BACK AT HIGH RPM STARTS TO MISS FIRE AND BLOW WHITE SMOKE … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
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
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2005 Freightliner, 14L Detroit, Boost problem, Coolant
2005 Freightliner, 14L Detroit, Boost problem, Coolant system pressurized, losing coolant, no sign of leak, no grey/white smoke, Black smoke when Boost acting stupid, (fluctuating), jerking and hick-u… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My 2014 freightliner cascadia which has a detroit dd13 is
My 2014 freightliner cascadia which has a detroit dd13 is using water, the oil is free of water , there is no water in my air system so it's not the compressor. I did find water in an exhaust pipe tha… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have a 1995 Freightliner FLD with series 60 Detroit. It
Hello there. I have a 1995 Freightliner FLD with series 60 Detroit. It has 482000 miles on the rebuild. The problem I'm having is this, the #1 injector cup seems to keep failing. Last Novemer, 2015 th… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have a 1997 Freightliner with a Detroit 430HP 60 series
I have a 1997 Freightliner with a Detroit 430HP 60 series engine. Lately I had it start Idling rough especially when I first start it in the morning it will miss fire pretty bad if you try to run the … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a detroit series 60 12.7 engine. the truck is
Hello I have a detroit series 60 12.7 engine. the truck is running great but there's coming a lot of white smoke coming out of the bottom breather hose, and where you put the oil to the engine it thro… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
Freightliner Cascadia power loss/transmission failure? 2011
Freightliner Cascadia power loss/transmission failure? 2011 Manual 10 speed, Detroit engine, about 600k miles. I've been working for my current employer as a trainer, for over a year now. This is my t… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a freightliner with Detroit 60, 12.7, and it seems the
I have a freightliner with Detroit 60, 12.7, and it seems the misfiring and a lot of smoke at low rpm (between 15 and 35 rpm) would not stop after I changed the fuel pump. Right after I changed the pu… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a 2001 freightliner columbia with 430 12.7 s60 my problem
Have a 2001 freightliner columbia with 430 12.7 s60 my problem is a heavy missfire on cold start up that will clear up after warmup no visable smoke while misssing, now randomly i get a missfire on th… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have an 03 Freightliner with a 12.7 Detroit w/ egr system.
I have an 03 Freightliner with a 12.7 Detroit w/ egr system. Turbo actuator is cutting in and out continuously, and periodically throwing black smoke from the exhaust with each cut out. Actuator and V… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I HAve a 99 fliner with 60seies detroit missing and smoking
I HAve a 99 fliner with 60seies detroit missing and smoking determined #5 cylinder doing a cylinder cut out test leave # XXXXX off long enough smoke goes away and still misses but actually sounds smot… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
We have a cummins n14 in a Freightliner. The original problem
We have a cummins n14 in a Freightliner. The original problem was it was missing and popping through the exhaust. We have ran the over head and set the valves. In the cummins computer there are no cod… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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

5,234 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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