Why does my 3406E cat engine not start?

Why does my 3406E cat engine not start?

As truck shop noted, the hand primer should be hard to push. If these engines do get airlocked they take a lot of cranking to bleed. If you lose a speed/timing sensor it will need longer to crank but it should still start.

Why does my Kenworth W900L cat not start?

1999 kenworth W900l has a 3406E Cat 475 hp was idleing and died. Now will not start. Has code 46. We have power to ecm and have replaced several sensors. It will run on ether but that’s it. Changed fuel filter and some fuel lines. Still will not start. Any suggestions will be appreciated.

Why is my cat cranking but not starting?

If you lose a speed/timing sensor it will need longer to crank but it should still start. The other possibility is you have lost a power to the ECM. There are three or maybe four positive feeds and a couple of grounds.

Where are the battery plugs on a 3406E cat?

On the ECM there are two plugs. One goes to the engine sensors and injectors, the other one joins the chassis wiring. On the chassis plug you should have; Permanent battery positive to pins 48, 52, 53. Permanent battery ground to pins 63, 65, 67. Ignition switched battery positive to pin 70.

What kind of engine does a Caterpillar 3406E have?

Both have Caterpillar 3406E engines.One is a 1LW and the other is a 2WS. They both came from the factory set at 475 H.P., both were re-rated to 550 H.P. by a local Freightliner dealer at the same time in 2006. Within the last month both motors were gone thru on the top side by the local Caterpillar dealer and they both checked out good.

What’s the difference between a Caterpillar 3406 and a 3406E?

Caterpillar released many variations of the 3406 before finishing on the 3406E. This included the 3406A, 3406B, 3406C, and finally the 3406E. The 3406A/3406B were both fully mechanical engines. The C model first began to see electronic functions with its fuel pump, but remained mostly mechanical.

Where are the permanent batteries on a 3406E cat?

One goes to the engine sensors and injectors, the other one joins the chassis wiring. On the chassis plug you should have; Permanent battery positive to pins 48, 52, 53. Permanent battery ground to pins 63, 65, 67. Ignition switched battery positive to pin 70. I forgot to mention we have changed the transfer pump too. Thanks. Ok.

Are there any oil leaks in the Caterpillar 3406E?

However, as with all engines, there are usually a few issues that are well known. You may have heard of oil leaks with the 3406E. A common spot for leaks is near the rear side of the engine around the spacer plate and the cylinder block. During the production of the 3406E, Caterpillar wasn’t using the best gaskets.

Why does my Peterbilt truck won’t start?

When I try to start it does nothing at all. But if I take the female plug that goes in to the relay box on the firewall out and run a wire across it the truck starts perfectly which rules out the starter or batteries being bad. I’m guessing it’s the ignition but I’m just trying to get some input

What kind of cam lobe does 3406E injector use?

The 3406E injector relies on a cam lobe for the injection pressure (MEUI). You are referring to the HEUI system which doesn’t apply in this case.

What to do if your cat engine won’t start?

Diesel Engine Crank No Start. – YouTube Cat Engine Won’t Start Troubleshooting. Diesel Engine Crank No Start. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How many horsepower does a 3406b Caterpillar engine have?

REMANUFACTURED 3406B CATERPILLAR ENGINE, NEW RODS ,NEW MAINS, NEW CRANK SEALS FRONT AND BACK, 330 HP,1.994, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.

Why does my cat engine won’t start?

Cat Engine Won’t Start Troubleshooting. Diesel Engine Crank No Start. – YouTube Cat Engine Won’t Start Troubleshooting. Diesel Engine Crank No Start. If playback doesn’t begin shortly, try restarting your device.

What happens when the primary engine timing sensor is lost?

If the engine is running and the signal from the primary engine speed/timing sensor is lost, a slight change in engine performance will be noticed when the ECM performs the changeover to the secondary engine speed/timing sensor.

Is the cat 3306 engine a good starter?

CAT 3306 engines, like the smaller CAT 3304, are very reliable and will start right up most of the time. With mechanical diesel engines it can be a bit trickier to find the issue at hand without the corresponding ECM code however these tips above should give you at least a place to look.

How many turns do I need on my Cat 3406b?

Usually start by going 1 full turn on both, then run it. Any additional turns afterward should be no more than half. Don’t get greedy, you’ll burn it up. You can get well over 500Hp playing with those B model pumps, but don’t come back here blaming me if you don’t know how to take your foot out of it and let it cool down.