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Related Medium and Heavy Trucks Questions
I have a 99 Freightliner FL70 with a 5.9 Cummins and 6spd
I have a 99 Freightliner FL70 with a 5.9 Cummins and 6spd Eaton Fuller. The truck recently started having a problem, I was driving it on a flat grade about 50 miles and hour and the check engine light… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Have Freightliner FL70 8.3 cummins Allison automatic. won't
Have Freightliner FL70 8.3 cummins Allison automatic. won't shift out of 1st. When out in 1st it just stops and shiffter box beeps. I replaced speed senor and one other 100.00+ sensor. Still wouldn't … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,926 satisfied customers
I'm looking for a tech sense wire on a 2009 Freightliner M2
I'm looking for a tech sense wire on a 2009 Freightliner M2 106 to connect to a remote start circuit. … read more
Joel Bos
Joel Bos
909 satisfied customers
99 freightliner fl70 eng 8.3 codes sid 251 fmi2, sid 151 fmi
99 freightliner fl70 eng 8.3 codes sid 251 fmi2, sid 151 fmi 7 . driving highway speed engine shuts off for a few seconds starts backup intermittent. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
SECOND OPINION) I have a 2012 Freightliner M2 Cummins Isc
SECOND OPINION) Customer: I have a 2012 Freightliner M2 Cummins Isc 8.3 engine # 73219858… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,947 satisfied customers
I have a 329 code on a cummins 8.3 with rough idle put new
I have a 329 code on a cummins 8.3 with rough idle put new fuel lines on to fix the air in fuel issue … read more
Joel Bos
Joel Bos
909 satisfied customers
Cummins 8.3 crops in an FL70 have codes 329, 456, 277,
Cummins 8.3 crops in an FL70 have codes 329, 456, 277, 275,it has rough idle issue the lift pump shut off at about a minute after the motor is running just put new fuel lines on it from saddle tanks t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
My 1995 Freightliner FL70 with an 8.3 Cummings engine is
My 1995 Freightliner FL70 with an 8.3 Cummings engine is loosing power.Any suggestions on what it might be? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
1998 FL70 Freightliner with an 8.3 Cummins motor. It will
1998 FL70 Freightliner with an 8.3 Cummins motor. It will run and then the engine shut off light will come on and the motor will shut off. It will restart, but in like five minutes it will do it again… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
Need 40 pin wiring diagrams for 1999 fl70 freightliner and a
Need 40 pin wiring diagrams for 1999 fl70 freightliner and a 2006 fl70 freightliner with 8.3 Cummins… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
FL70 Freightliner 8.3, Cummings has a 268 code. Fretliner
FL70 Freightliner 8.3 , Cummings has a 268 code JA: What's the make/model/year of your truck? Engine type? Customer: Fretliner FL70 1999 8.3 Cummings JA: Are you fixing your truck yourself? What have … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,926 satisfied customers
1996 freighliner fl70 cummins 8.3 Allison 5 speed. Worked
1996 freighliner fl70 cummins 8.3 Allison 5 speed. Worked great for years. all of a sudden I start it, and get do not shift light in dash and 2112 speed, 4513 4516 and 4521 solenoid open codes. Check … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I need a diagram for my fuse boxes in my 1994 fl70 last six
I need a diagram for my fuse boxes in my 1994 fl70 last six of the vin 580191 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2001 FL70 with 5.9 cummins won't start unless I feed 12v directly
2001 FL70 with 5.9 cummins won't start unless I feed 12v directly to the #7 pin on VP44 No voltage on the truck side for the #7 pin. Fuse and relay check ok. Does the power supply for the VP44 come th… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
frightliner FL70: i have a 1998 frightliner FL70 that starts
i have a 1998 frightliner FL70 that starts and jest dies out of the blue and has no power at all to the truck… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
HAVE A FL70 FREIGHTLINER WITH A 8.3 CUMMINS ENGINEVIN# *****
HAVE A FL70 FREIGHTLINER WITH A 8.3 CUMMINS ENGINE VIN# ***** MY ELECTRIC COOLING FAN WILL NOT COME ON. HOW DO YOU CHECK VOLTAGE AT CONNECTOR… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
have a 1994 Freightliner FL70 with an 8.3 Cummins engine with
have a 1994 Freightliner FL70 with an 8.3 Cummins engine with a Bosch mechanical fuel pump. When I try start the engine it starts easily but when I release the key and it returns to the run position t… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a 2000 fl70 freightliner 8.3 cummins. I am having cold
I have a 2000 fl70 freightliner 8.3 cummins. I am having cold start problems. It doesn't seem like the air heater at the manifold is getting any power. The seliniods at the firewall have power. Could … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 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

5,353 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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