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Related Medium and Heavy Trucks Questions
I have a 2002 Freightliner FL70 with a Cat 3126 CKM18004.
I have a 2002 Freightliner FL70 with a Cat 3126 CKM18004. The truck does run but I have no RPM, Speedometer, Oil Pressure, Water Temp and "No Eng" showing on the dash display. I have an ECU 128 SID 25… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
1999 freightliner fl60 with cat 3126. Will not start. Wait
1999 freightliner fl60 with cat 3126. Will not start. Wait to start light not coming on and scanner will not communicate with ecm. Unplugged wiring harness going to sensors to rule out a shorted senso… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Have a 3126 has a pid 43 fmi 2. Cat 3126 2000 freightliner
yes i checked the pin #70 replaced key switch and intake heater selonid … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2001 Freightliner FL70 Caterpillar 3126 Serial# 8YL57090
2001 Freightliner FL70 Caterpillar 3126 Serial# ***** Instrument cluster says "no data" and all gaugues do not work except the fuel and air pressure gauges. Turn key on and gauges cycle. Start vehicle… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2000 FL70 truck. It has a Cummins ISB 230 engine.
I have a 2000 FL70 truck. It has a Cummins ISB 230 engine. The primary fuel pump was just replaced 2 months ago. I removed the fuel pump and tested with a 12 volt battery. It works fine. I have no 12 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 99 freightliner fl70 with a cat 3126. I am getting
Hi I have a 99 freightliner fl70 with a cat 3126. I am getting now engine light or preheat light on cluster. What can cause this? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have 2000 FL 70 with a cat 3126 and Eaton autoshift tCNNhe
Hello I have 2000 FL 70 with a cat 3126 and Eaton autoshift tCNNhe truck only has 60,000 miles I bought the truck a year ago and have problems with the transmission. Had it towed into Freightliner and… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
My turn signals work intermittently. Sometimes they just
my turn signals work intermittently. Sometimes they just turn on solid when you activate the switch. right now in the shop i cant even get them to work at all. Not sure which fuse or relay it might be… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
CAT 3126 freightliner sport chassis. Just quit while
CAT 3126 freightliner sport chassis. Just quit while driving. Acts like its not getting fuel. We checked the fuel pump all was good. Mechanic said something made the ECM hot and shorted out and melted… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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1997 Freightliner FL70 with 3126 Cat Engine and Automatic
1997 Freightliner FL70 with 3126 Cat Engine and Automatic Transmission.The Water\Oil light is coming on intermittently along with a buzzer. Can someone help me trouble shoot this? I don't want to arbi… read more
FIX-IT
FIX-IT
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829 satisfied customers
I have a 1996 Freightliner FL70 bucket truck. I have lost
I have a 1996 Freightliner FL70 bucket truck. I have lost power to the ECM. Had a mechanic look at it as I was down. He installed a temporary jumper to the ECM to get me up and running but Im looking … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I have a 2004 Freightliner FL70. All of the gauges except
I have a 2004 Freightliner FL70. All of the gauges except for the air pressure are dead. The throttle is completely unresponsive & my Pro Link says no ECMs detected when I try to scan it. Suspect some… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
98 fl70 with cat motor. Doesn't crank below 32 deg. Replaced
98 fl70 with cat motor. Doesn't crank below 32 deg. Replaced starter and solenoid with no change. Is there another electric relay or could it be the ign. Switch?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
1998 freightliner FL70 truck,cat engine 3126 bin sitting about
1998 freightliner FL70 truck,cat engine 3126 bin sitting about 9 months, put new batteries in it new fuel filters cranks over fine,wont start. spray starting fluid it fires but wont run,i was thinking… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
I need a wiring diagram of the pin input and out puts on a
I need a wiring diagram of the pin input and out puts on a 3126 Cat its in a Freightliner 1FVACXAK93HK20610. SERIAL#CKM54644. WONT START WILL NOT COMMUNICATE! I really want to check power and grounds … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat 3126 with 10 speed automatic. Good combo in a FL-70 with
Cat 3126 with 10 speed automatic. Good combo in a FL-70 with a 12' Toter home body? will be pulling a 36' fifth wheel trailer weighing about 15k behind it. Heading from east coast to yellowstone, down… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hi, I had disconnected the batteries from my 1999 freightliner
Hi, I had disconnected the batteries from my 1999 freightliner fl70 flatbed truck to put on charger and when i placed them back into the truck it would not start. It just continue to roll over. I was … read more
DirectInjection
DirectInjection
Field Service
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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.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

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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