D160 Not getting fuel

[Droyka84]

Hi, looking for help figuring out why my d160 is having a problem getting fuel. I just performed an oil change & oil filter, new plugs, new fuel filter & cleaned the air filter cover. When trying to start, it all of a sudden is not getting fuel to the fuel filter and obviously any further. I took off the new filter and fed hose back and tested just the gravity feed & gas was coming out. My tractor is only 3 years old and is shed kept so any help to save me trailoring it to the dealer would be greatly appreciated.

[SulleyBear]

Hi, looking for help figuring out why my d160 is having a problem getting fuel. I just performed an oil change & oil filter, new plugs, new fuel filter & cleaned the air filter cover. When trying to start, it all of a sudden is not getting fuel to the fuel filter and obviously any further. I took off the new filter and fed hose back and tested just the gravity feed & gas was coming out. My tractor is only 3 years old and is shed kept so any help to save me trailoring it to the dealer would be greatly appreciated.

Three things come to mind..

First, make sure you have the fuel filter installed permitting the fuel to flow through the filter. There should be an arrow on the filter indicating the direction of fuel flow towards the engine. If the filter is in backwards, that might not allow fuel to flow through it.

Second, the D160 has a fuel pump, but I think it is a mechanical type fuel pump. Here is an image of it, number 14 in the illustration.

Third, release the fuel cap and try it then. The fuel cap vent could be plugged. These are all starting points.

[Droyka84]

Two things come to mind..

First, make sure you have the fuel filter installed permitting the fuel to flow through the filter. There should be an arrow on the filter indicating the dicretion of fuel flow towards the engine. If the filter is in backwards, that might not allow fuel to flow through it.

Second, the D160 has a fuel pump, but I think it is a mechanical type fuel pump. Here is an image of it, number 14 in the illustration.

Thanks, that was definitely something I was going to try. Hopefully that’s it, I didn’t see and leaks or splits in the hosing.

[Tomfive]

Just a quick question, when you "gravity tested" the fuel line, was the filter still attached? Fuel filter doesn't have to fill up to pass gas. (Pass gas ... did I just type that? )

Check the fuel feed all the way up to the carb if you can. Just a start for trouble shooting, engine needs fuel, air and spark to run, check each then report back. There will be other hints once we know what's missing.

Just my 2 cents.

[Droyka84]

Thanks for help. I did test without the filter. I swapped pump and still nothing. Ended up starting after being primed by sucking gas out of the line running to the filter, and also manually choking the intake after reinstalling fuel filter and hoses.


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[Tomfive]

Glad you got it fixed.

Thanks for following up.

[xcopterdoc]

Several things come to mind on why you had this issue. I work on several hundred of them a year.
#1 is drain back. When the filter is removed one of 2 things will happen. Either the in coming line to the filter drains back to tank or it starts to shiphon feed out of the tank. So I always clamp off the in coming hose.
#2. The fuel pump is operated by crank case pressure and vacuum. It has to pulse to work. A cracked line will cause the pump to be weak enough not to prime on its own but will run ok once going.
#3. A fuel tank pick up hose that is too long and rests against the bottom of the tank. This will cause a long crank time if the pump is trying to prime itself.
These are the most common issues I see.
By cranking with choke on you should see that filter fill up pretty quick. Its just a quirk.. The nature of the beast. Very very seldom do these pumps fail under normal conditions.

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