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See full version: Diesel starts then dies


binarysecurity
25.04.2021 11:19:42

If it starts it isn't likely air in injection lines, normally won't start at all or will start but run horrible. Does it stumble as it dies or just shut off? It will have a low oil pressure kill and an over heat kill. The low oil pressure kill _may_ have an automatic 'ignore' for several seconds after start then will be put into the circuit. It's designed to stop fuel flow if oil pressure drops and of course until the engine runs for a couple of seconds there isn't pressure so they ignore that sensor.. When they fail (or your engine fails to build enough oil pressure) then it will start, then shut down.. Usually should allow restart almost right away though


lach
17.05.2021 10:26:38

There will also be 2 fuel pumps, one is the injection pump, probably not at fault, the other is usually referred to as a lift pump, it has to get fuel from the tank to the injection pump, if it failed or weak it will shut down or run horrible. Another cause for both gas and diesel is plugged vents to the fuel tank, as it runs, if air can't replace the used fuel it will stop drawing fuel, that usually takes several minutes. more


Celine
03.05.2021 23:25:23

You don't say if it runs for 10mins, 10 seconds etc etc, makes a difference but if it starts and runs good then quits in seconds, you're probably into a safety feature designed to protect the engine. If it starts and runs for several minutes theyn probably a fuel flow issue, filter, pump, vent, squished fuel line etc.


pnnac
08.05.2021 3:49:00

Another common reason for diesel tractors to stall is a fuel delivery issue. Assuming you have enough diesel fuel in the tank, check the engine hoses for blockages.


caveden
23.05.2021 16:10:06

There are two main lines to check: here


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16.06.2021 10:28:56

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20.06.2021 7:10:08

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kathlemith24
20.05.2021 20:18:17

Fuel injectors can also clog, which would affect their spray pattern and ability to inject the correct amount of fuel. more


cyclonite
29.05.2021 21:53:34

Check to make sure your timing marks are all aligned correctly, and check belt tension. Sounds like something went wrong during the install. here


dconradcopelande
25.05.2021 21:32:29

While troubleshooting yourself, it helps to have a repair manual or online forum handy for your specific make and model. Some vehicles are more prone to certain issues, and forums contain good information for pinpointing these. here


jessw1
26.05.2021 9:16:08

If you do not feel confident in your ability to diagnose the stall yourself, have the vehicle towed to a mechanic you trust for a proper diagnosis and repair. here


grifferz
20.05.2021 20:18:17

EDIT: Just took off the exhaust cap and it had quite a bit of black oil in it. Not sure what that means. more


happyrock
29.05.2021 21:53:34

That's probably your problem.
Try and start the bike w/0 the cap on, probably clogged up the exhaust. here


Sherry05
25.05.2021 21:32:29

Hi,
My bike has been running well for 100 miles. Yesterday, it died just at the end of my 3 mile trip I make every day. 4 hours later, it was fine on the return trip. Today it died midway through the trip and wouldn't start for the return trip.
When I drop the clutch, it turns over but dies out after a few seconds, and if I disengage the clutch it dies immediately. Im running 32:1 btw
Here's what I've tried:
I opened up the carb and cleaned it out (was clean anyways)
Opened up the head and checked the rings. (they're fine)
Tested the magneto (getting 370 ohm blue to ground)
Didn't try leaning it out with the c-clip because I've been running it at the same position for a while, although the spark plug did seem a little wet. This could just be from all my failed attempts to start.
I did notice that the exhaust pipe isn't completely flush against the exhaust manifold. Not sure if this could be the problem. here


nacarino
26.05.2021 9:16:08

Don't worry, there's nothing wrong with the oil in the exhaust all 2 strokes do it here