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I have a Cat 3126B with power loss/missing issue. When it
I have a Cat 3126B with power loss/missing issue. When it started it would miss then blow some blue smoke under load like climbing a grade or accelerating after a stop. They scanned it and foundcodes … read more
Cat Man
Cat Man
Cat Engine Expert
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I have a 2000 peterbilt with a cat 3406e, won't start
I have a 2000 peterbilt with a cat 3406e, won't start without using ether or wd40. I came up with flash codes 13 and 31. I replaced the fuel temp sensor and the primer, still the same. I also unplugge… read more
Cat Man
Cat Man
Cat Engine Expert
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4,530 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
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I have a freightliner with a cat c7 engine, will not start.
I have a freightliner with a cat c7 engine, will not start. Turns over fine. Power and ground at ecm. Flash codes are 58. Cat et shows cold start and no engine speed. Replaced speed sensors and fuel r… read more
Cat Man
Cat Man
Cat Engine Expert
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4,530 satisfied customers
On a c-12 cat is there a schematic on what pins should have
on a c-12 cat is there a schematic on what pins should have power from ecm to turn on injectors i have a c-12 that cranks no start and no codes only fires on ether… read more
Cat Man
Cat Man
Cat Engine Expert
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Caterpillar C7 ACERT in a 2005 Freightliner M2. Engine was
Caterpillar C7 ACERT in a 2005 Freightliner M2. Engine was using oil and low on power. Owner wanted new engine. Removed engine and installed reman long block. Had to transfer oil pan and main oil pump… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
How is your service priced? Cat 3126 in '99, Trying to! New
Trying to! New speed/timing sensor, new fuel transfer pump, checked power to ecm (from harness side), pin 70 has 9.8 to 10 volts when cranking, Fuel restrictor at back of head works, with no sign of metal fragments. Also, sprayed contact cleaner on both ECM pins and sockets. This cat 3126 is in '99 GMC. Engine serial #7AS79444. Oh, cannot check flash codes as vehicle does not have cruise control. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
There are two spin on fuel filters on my 03 387 my truck is
There are two spin on fuel filters on my 03 387 my truck is sucking air into fuel system. I have a o3 Pete with a 3406e cat. One filter is located below hand pump the other filter is on frame and has … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,396 satisfied customers
Mr CAT Man, 2002 Caterpillar C7 3126 7.2 liter Engine Engine
Mr CAT Man, 2002 Caterpillar C7 3126 7.2 liter Engine Engine Serial Number: C7KM44559 COMPLAINT: Of the mornings truck has plenty of power, runs great. The longer the day goes by making deliveries,the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a C12 Cat that is feeding fuel back thru the pickup
I have a C12 Cat that is feeding fuel back thru the pickup tube to the fuel tank when I try to pressurize the fuel system, any ideas?… read more
Cat Man
Cat Man
Cat Engine Expert
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4,530 satisfied customers
Cat Man, I'am working on 1999 c-12 CAT serial # *****
Hi Cat Man, I'am working on 1999 c-12 CAT serial # ***** it is in a sterling truck. The engine will start right away but sometimes after about 45 seconds of running it will stall out, if you give the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hi Cat Man, Iam working on 3406E Cat serial number 5EK78587.
Hi Cat Man, I'am working on 3406E Cat serial number 5EK78587. The engine runs really nice and it is able to get up to full RPM, the problem is the engine is making little to no boost ( 0.7 to 1 lbs) a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Have a 3126 cat ckm that will not start. Replaced heui after
Have a 3126 cat ckm that will not start. Replaced heui after local diesel shop plugged their computer into it. It started and ran for several minutes died and will not start. Have a gauge in oil line … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a Caterpillar 3406E engine serial number 2W500550 that
I have a Caterpillar 3406E engine serial number 2W500550 that does not run properly at times loaded. At other times runs fine with load. NO error codes on computer. Primary fuel filter is only 1/5 th … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Have a peterbilt truck with a 3406e engine. I changed a fuel
Have a peterbilt truck with a 3406e engine. I changed a fuel tank and the truck ran for about 5 minutes then it quit and we cannot get it started.. The new tank was empty when we started it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hi Cat Man, Iam working on a 1999 Peterbilt 379 with a 3406E
Hi Cat Man, I'am working on a 1999 Peterbilt 379 with a 3406E CAT in it, after sitting for a couple of days it will start up right away like usual but after about 10 seconds it will stall out.To get i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2005 chevy kodiac 7500 dump truck with an auto. transmission.
I have a 2005 chevy kodiac 7500 dump truck with an auto. transmission. The engine is a Cat. C7 #3126. One of my workers ran the truck out of fuel and I can not get it started. I have fuel at the water… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 1995 Peterbilt with a 3406E Cat in it. fuel pressure
I have a 1995 Peterbilt with a 3406E Cat in it. fuel pressure is running 70-75 psi at idle and 95-100 psi under load going down the highway. pressure will randomly drop to 45-50 psi when shifting thro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
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