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Engine not starting after sitting for a few months?

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Diesel fuel can stay longer than regular gasoline but you can be bad, you might want to try draining the tank and adding new fuel. The problem can still be low compression btw.
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Monday, September 9th, 2024 AT 9:34 AM
Tiny
MYFATHERSSON
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Hi Ken.

So, I took off one of the pipes to the injectors and put a rubber tube on it down into a container and turned the ignition to on (but not crank) and the fuel did end up in the container.

With this in mind, am I correct in thinking that it is either bad fuel, bad injectors, or low compression? Would there be anything else that it might be?

Many thanks
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Tuesday, September 10th, 2024 AT 12:29 AM
Tiny
KEN L
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It could be bad fuel, or a bad injector pump which is common or low compression, I don't think the individual injectors are bad because they would all need to go bad at once. Can you confirm there is fuel getting to the high pressure fuel pump? Turn the key on and fuel should be present. Check out the images (below). Let us know what you find.
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Tuesday, September 10th, 2024 AT 9:25 AM
Tiny
MYFATHERSSON
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Hi Ken,

Yes, the fuel is getting to this pipe.

Many thanks
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Tuesday, September 10th, 2024 AT 11:03 AM
Tiny
KEN L
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Okay, so those are the choices, bad fuel, (doubtful), bad high pressure fuel pump or low compression.
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Tuesday, September 10th, 2024 AT 4:53 PM
Tiny
MYFATHERSSON
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Hi Ken,

Can I check, I have a pipe connected to one of the injector pipes. When the system is priming, should this squirt out quite fast, or would it dribble out slowly?

I assumed that it would come out relatively fast as the system should be trying to pressurize it.

Many thanks
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Wednesday, September 11th, 2024 AT 11:08 AM
Tiny
KEN L
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I would remove one of the fuel injectors because you cant tell by the fuel line.
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Thursday, September 12th, 2024 AT 8:16 AM
Tiny
MYFATHERSSON
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Hi Ken,

I tried with an injector connected and I do get a misty coming out the end.

Many thanks
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Thursday, September 12th, 2024 AT 10:55 AM
Tiny
KEN L
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Okay, is it a strong mist? Can you upload a short video so I can see?
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Thursday, September 12th, 2024 AT 4:04 PM
Tiny
MYFATHERSSON
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Hi Ken,

So, after my son recorded it for me whilst I cranked the engine, it turns out it doesn't spray very regularly at all. The video is attached.

Many thanks
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Friday, September 13th, 2024 AT 12:20 PM
Tiny
KEN L
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Good call, it is hard to see against the white background but it doesn't look good.
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Saturday, September 14th, 2024 AT 9:08 AM

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