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I have a CAT 3408 in a Newmar motorhome/ Moved it the other
I have a CAT 3408 in a Newmar motorhome/ Moved it the other day, ran good, shut it off then later went to start it and it turns over fine but wont start. Acts like the air shut down valve is still clo… read more
Curtis B.
Curtis B.
Technician
Associate Degree
43,561 satisfied customers
Steve,Cat 3126. Cat 3126 in a 2003 motorhome. Ran great with
Ran great with no issues. Has been sitting ~3 months. Cranks but no start. Disconnect IAP sensor and it starts, but a bit rough at normal idle. Reconnect IAP sensor, no start. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat 3126 330hp in a motorhome. won't start and have 39,73, &
cat 3126 330hp in a motorhome. won't start and have 39,73, & 74 fault codes … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Am thinking of buying a 2006 Beaver Motorhome with the Cat
Am thinking of buying a 2006 Beaver Motorhome with the Cat C13 engine. I have heard that the C13 is a troubled engine and am concerned. The coach has 35000 miles on the odometer. Should I? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 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
5,353 satisfied customers
I have a 1997 cat 3126 and the heui pump is making a high
I have a 1997 cat 3126 and the heui pump is making a high pitched squeal. also when this started I lost throttle control so all it will do now is idle for a short time then die. I replaced the heui pume and the injector pressure regulator but it didn' fix it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 3126 cat in a 1998 motorhome it's sat for three
I have a 3126 cat in a 1998 motorhome it's sat for three months now it will not start it does crank however we unplug the IAP sensor still no start thank you in advance for your help… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 1998 Odessa Overland with 1997 3126 CAT engine
I have a 1998 Odessa Overland with 1997 3126 CAT engine serial # ***** was traveling trought the Smokey Mountian today and when I would stop and and the engine would idle down I notice blue smoke was … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a Cat 3126 8yl that is very slow to make boost. It's
I have a Cat 3126 8yl that is very slow to make boost. It's in motorhome and normally it will make full boost (28psi) before the trans shifts into second gear. The exhaust temps are high when at part … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I am looking at a 1999 c6500 GMC truck with a CAT 3126 engine
I am looking at a 1999 c6500 GMC truck with a CAT 3126 engine (SN 7a531378). Are there any known problems with this engine? Currently the engine has 86,000 miles.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
have 3126 with monitor wires broke don't know where they go?
have 3126 with monitor wires broke don't know where they go? believe to ecm ,have two wires + - plus power… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2008 Beaver motorhome C9 Cat and about 3 years ago
I have a 2008 Beaver motorhome C9 Cat and about 3 years ago Cat replaced the complete exhaust system as ours was on a recall from Cat. The system the installed was a complete different system than was… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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freightliner fl60: have a 1997 freightliner fl60 with cat 3126,have
have a 1997 freightliner fl60 with cat 3126,have tachometer and now intermittent speedo issues, reading correct and then slow.. have checked grounds to speedo head… read more
Expert
Expert
10,510 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
5,353 satisfied customers
have a 1997 fl 60 with cat 3126,, need assistance in troubleshooting
have a 1997 fl 60 with cat 3126,, need assistance in troubleshooting air fan clutch system, one day decided not to come on .… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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i have a 3126 cat in a magnum chassis for a Beaver Monterey
i have a 3126 cat in a magnum chassis for a Beaver Monterey Motorhome. After not running it for several months, i recently started it up only to have it run for a short period of time, 3-4 minutes and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
i have a 2002 Caterpillar engine model 3126 in a motorhome,
i have a 2002 Caterpillar engine model 3126 in a motorhome, how do i drain air in fuel line, or prime it?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 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
5,353 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

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

Jeremy

Jeremy

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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

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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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