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2000 freightliner C12 engine rpm limited to 1700rpm. CAT
2000 freightliner C12 engine rpm limited to 1700rpm … read more
Justin
Justin
Diesel Technician
Vocational, Technical or Trade School
12 satisfied customers
2004freightliner with 3126 cat truck shut off will not fire
2004freightliner with 3126 cat truck shut off will not fire back up put cat et on ran solenoid test all injectors have short ran test with injectors unhooked circuit open … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
I've got an 01 fl60 3126 cat showing 32 and 56 using the
I've got an 01 fl60 3126 cat showing 32 and 56 using the cruise control button but can not find a manual to see what the codes are … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
135 satisfied customers
Can a c7 cat replace a 3126? No our engine bent pushrods,
No our engine bent pushrods , camshaft or lifter problem, was wondering what it would take to swap them out. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Bachelor's Degree
2,756 satisfied customers
Automatic trannsmission wont go into gear no lights or
automatic trannsmission wont go into gear no lights or anything come on 2002 fl80 … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
18,536 satisfied customers
I'm wanting to swap out my 8yl 3126 out of 2000 c7500 I want
I'm wanting to swap out my 8yl 3126 out of 2000 c7500 I want to put in ckm 2002 3126 for more power Don't know if I use old ecm or new on because for gauges ect … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
135 satisfied customers
01 Freightliner FL80 with a 3126 CAT running hot... gets
01 Freightliner FL80 with a 3126 CAT running hot... gets around 220.... replaced temp sensor, thermostat and pressure washed radiator.... viscous fan is not locking solid at high temps... could that b… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
631 satisfied customers
I have a 1997 Freightliner FL80 Caterpillar 3126 7.2L, what
I have a 1997 Freightliner FL80 Caterpillar 3126 7.2L, what is the normal coolant temperature for the truck because whenever the temperature gets to 225 the check engine light turns on and gives me th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
Looking at purchasing a 2000 Freightliner FL60 sport chassis
Looking at purchasing a 2000 Freightliner FL60 sport chassis crew cab with the 300/850 CAT 3126 and Alison set up to pull an RV 5th wheel. Its spent its life as a AAA sprint race car hauler and has 20… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
I HAVE A CAT ENGINE 3126 1998 MODEL THAT IS RUNNING RUFF
I HAVE A CAT ENGINE 3126 1998 MODEL THAT IS RUNNING RUFF WITH NO POWER THE FUEL PRESSURE IS JUMPING BETWEEN 65 AND 110 PSI BUT THE HIGH PRESSURE SIDE LOOKS GOOD ON THE COMPUTER … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
Have an FL 80 Freightliner with 3126 engine that is
Have an FL 80 Freightliner with 3126 engine that is experiencing intermittently severe power loss. After sitting and cooling off power level return to normal levels only to relapse in an hour or two o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
Fl 80 freightliner wont idle up with cruise ecm says brake
Fl 80 freightliner wont idle up with cruise ecm says brake switch is on … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
18,536 satisfied customers
I DO ELECTRICAL WORK ON CARS, BUT MY LOCAL FIRE DEPARTMENT
I DO ELECTRICAL WORK ON CARS, BUT MY LOCAL FIRE DEPARTMENT HAS PROBLEMS WITH THE AIR PRESSURE FAN CLUTCH NOT ENGAGING WITH THE A/C ON A 01 FL80. I CAN UNPLUG THE SOLENOID AND IT COMES ON.… read more
Daniel Wilson
Daniel Wilson
Associate Degree
6,648 satisfied customers
We have a 2003 Freightliner FL80 w/ CAT 3126. It has been
We have a 2003 Freightliner FL80 w/ CAT 3126. It has been having an intermittent sputtering or cutting out problem when seeing a load. It doesn't throw any codes for this. Dealer changed fuel pressure… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
i have a 2003 fl80 with a 3126 cat motor serial no. ckm 55015
i have a 2003 fl80 with a 3126 cat motor serial no. ckm 55015 motor droped a valve going to replace found a 2000 gmc with a 3126 cat serial no. 8yl83373 mine is a 250 hp 3126e the other a 3126b it is … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
Buddy, I am looking to get into hotshot loads with goose neck
Buddy, I am looking to get into hotshot loads with goose neck I was going to buy a 1 ton dodge until I started looking at some of the Fl 60 an 70s and the cost for used is a lot less. question pulling… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
I have a 99 freightliner century class with a cat c12 and want
I have a 99 freightliner century class with a cat c12 and want to put a cummin n14 525 with the red tops is it possible with less hassle… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
hello. i am looking to buy a moving truck. 24/26 ft under
hello. i am looking to buy a moving truck. 24/26 ft under 26k gvw. around 150,000 miles. My options are: intl with 466 engine or FTL with a cat engine (both with 210-225 hp) any recommendations?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,355 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,648 satisfied customers

Owner at DJ Wilson

Wayne

Wayne

Journeyman

18,536 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Cat Man

Cat Man

Cat Engine Expert

5,355 satisfied customers

I am ASE Master Truck Certified.

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

2,130 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,939 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

791 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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