Are there any problems with the 3126 cat engine?

Are there any problems with the 3126 cat engine?

Hi folks I am interested in hearing from people that own a 3126 cat engine and have had problems with them expesially if the have dropped a valve.

How often do you change the alternator on a cat 3126?

Also replaced alternator at 300,000 My Cat 3126 has about 425,000 miles on it. It uses less than 2 qts.of oil every 9,000 miles. We keep the FL70 tagged at 26,000 lbs and do not exceed 65 mph running about 1700 rpms.

What is Code 39 on IAC cat 3126?

The IAC will flash a code 39 with the cruise, but show up as a 164-11 on the scanner. The cruse flashes will point us in the right direction while troubleshooting,and has helped me and my cat distributor repair my problems over the phone, but it is not the see all the scanner is.

How do you troubleshoot a cat engine in a truck?

Start your troubleshooting by grabbing the CAT engine book that came with it. Then use the cruise control switches in the truck to read the codes using the check engine light.

What kind of fuel injection does a Caterpillar 3126 use?

CAT used a new fuel injection system called HEUI to allow computer control of the injectors. A HEUI injection system (also found on Ford Power Strokes, as well as other engines) uses a second oil pump to boost oil pressures to 1500+ PSI (I don’t know the maximum) and essentially use the high pressure oil as hydraulic fluid.

How does the HEUI work on a Caterpillar 3126 engine?

A HEUI injection system (also found on Ford Power Strokes, as well as other engines) uses a second oil pump to boost oil pressures to 1500+ PSI (I don’t know the maximum) and essentially use the high pressure oil as hydraulic fluid. And the computer would control the high pressure oil which then controlled the injectors.

What kind of oil does a cat 3126 take?

By the way my engine in Serial# HEP 280486. I tapped into the high pressure oil galley and put a 4000 psi gage in. Had a helper crank the engine while I watched. The pressure started up kind of slow and then quickly headed toward max on the gage.

Is there any warranty on Cat 3126 cranks?

The diagrams I have seen don’t look exactly like my configuration. No warranty! Any thoughts?

How much does a Caterpillar CAT 3116 engine cost?

It is extremely hard to time the fuel system and like the VW on the automotive side, working on the CAT 3116 requires special tooling you can only buy from Caterpillar. Typically, it costs up to $5000 in tooling to work on the 3116.

What does Flash code 55 mean on Cat 3126?

Flash Code 55 indicates that No Detected Faults have occurred since the ignition keyswitch has been turned to the ON position. Thanks for the information. Some of the codes will not cause your engine not to run and some will. Codes 29, 28, and 31 will not cause a 3126B engine to run.

What’s the life expectancy of a cat 3126?

It has 216,000 miles, and was gone through and spec’d and gaskets and rings were replaced at 198,000. I am converting the bus into a camper, to go across the country with my buds. I have done some research and found out that its not a superior engine, or that it doesn’t last past 200k.