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99 3126 cat no start. 99 Harney RV 3126 Cat. I am fixing
I am fixing myself. Ran fine month ago, no start changed fuel filters, no start. Got flash codes 15 and 17 changed out iprv now will hit but not start. … read more
Cat Man
Cat Man
Cat Engine Expert
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10,344 satisfied customers
Cat 3126 have to crank forever to start, onece running skips
cat 3126 have to crank forever to start, onece running skips for a few minutes then is fine for rest of day. Can shut off and will fire right back up, replaced crank sensors, checked valve at back of … read more
Cat Man
Cat Man
Cat Engine Expert
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I have a 2002 f750 with a 3126e cat ser #ckm35557, have had
I have a 2002 f750 with a 3126e cat ser #ckm35557, have had this truck for one year, I have put all new fulids and filters at the start of winter plowed for a totaled 84 hrs this season with no probbl… read more
Cat Man
Cat Man
Cat Engine Expert
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10,344 satisfied customers
We have a 3126 sn CKM34634 it came into the shop running but
we have a 3126 sn CKM34634 it came into the shop running but smoking bad. We found coolant temp sensor was bad , that took some of the smoke away, we thought possible injector seals. We removed the in… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a Cat 3126 in a Freightliner truck with 350,000 miles
I have a Cat 3126 in a Freightliner truck with 350,000 miles on the clock. I think I have a bad HEUI pump but I'am not sure how to test it. Also, while cranking the truck [it wont start] I'm noticing … read more
Cat Man
Cat Man
Cat Engine Expert
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10,344 satisfied customers
I have an 02 3126 cat in a Chevy truck I don't know what the
I have an 02 3126 cat in a Chevy truck I don't know what the serial number is ***** it's been wiped off the sticker. I have all powers and ground to the ecm. But it will intermittently start. When it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 3126 with injector actuator pressure erratic. runs
I have a 3126 with injector actuator pressure erratic. runs rough. Cat et pulls injector actuator pressure erratic. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
Im working on a 3126 cat engine. Its shutting off due to low
Im working on a 3126 cat engine. Its shutting off due to low oil pressure. When I connect my test gauge to it I don't get a pressure reading. The truck wont even start anymore. Would it be the oil pum… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2000 C6500 with a CAT 3126 engine serial #8YL51753,
I have a 2000 C6500 with a CAT 3126 engine serial #8YL51753, customer called truck died after hot run, went up to check truck will start with either, wont idle, changed fuel filter, same thing added f… read more
Cat Man
Cat Man
Cat Engine Expert
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10,344 satisfied customers
I have a 2000 kenworth with a 3126 cat engine. it will not
I have a 2000 kenworth with a 3126 cat engine. it will not start. I have fuel to the head but it will not hold pressure… read more
Cat Man
Cat Man
Cat Engine Expert
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10,344 satisfied customers
I have a CAT 3126B. I had a no start issue where it would turn
I have a CAT 3126B. I had a no start issue where it would turn over but not fire up. I had 0 PSI on the dash oil pressure guage so I ended up replacing the oil filter and swapped in a salvage oil pump… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I am working on a 02 FL60 with a 3126 Cat that will not start..
I am working on a 02 FL60 with a 3126 Cat that will not start.. wil run on starting fluid..any help… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Working on a Caterpillar 3126 (eng# *****). Getting a code
Working on a Caterpillar 3126 (eng# *****). Getting a code 164-2 (Injection actuation pressure signal erratic). New actuation pressure sensor and new engine harness from ecm to sensors. Can you point … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat Man! I need some help once again. 2007 Freighliner M2
Cat Man! I need some help once again. 2007 Freighliner M2 CAT C7 300hp, WAX48686 All fluids full. No check engine light. 2 nights ago it died while driving, and would not restart. I had it towed to th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hello Cat Man Reference: 2000 GMC School Bus / Cat 3126
Hello Cat Man Reference: 2000 GMC School Bus / Cat 3126 Engine 8YL41397 Engine shut down, won't start, checked for fault codes, came up with 164-11 event. Checked for IPR Voltage Signal While Cranking… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I am working on a 3126 and getting a fault code for high pressure
I am working on a 3126 and getting a fault code for high pressure oil readings being erratic. Using Prolink IQ monitored pressure on a test drive and pressures were running around 800 to a 1000 psi lo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I am still having problems with my 3126 losing prime where
I am still having problems with my 3126 losing prime where is the lift pump located on the huie pump and do you have a picture of it. Is it hard to replace? I have a 02 6500 with a 3126 cat engine… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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