ford 2000 3cyl fuel starvation

[kenbob]

I love my ford 2000 3cyl and has been mostly trouble free engine wise. I am now having a fuel starvation issue. It runs fine at 1800 but push it beyond that or up hill and it now wants to cut out after running at that speed a few minutes. THe filter in the glass is good. I understand there is a filter into the carb and filters at the fuel pump. Both are incredibly hard to get to. I think the carb filter is on the back of the carb and would like to attack that first, but is there any secret on how to get at that? I also noticed their is a valve at the bottom of the carb (Holly). Doesn't look like a drain valve? Is that a mixture valve. T-type screw in. THanks all in advance.

 

[a49deere]

what are you doing that you need to push it past 1800 rpms? Hill problem sounds like a float issue!

 

[kenbob]

It shows 2000 rpm and actually will rev to 2200 when wide open on the road. It isn't just hills. On the flats past 1800 rpm it does it after the carb gets starved. Ease it back and it straightens out. but 1800 on a steep hill causes same thing. I am pretty certain the carb bowl isn't getting enough fuel. for running past 1800 as when you start out all is good. Only after going a while does it act up. Cut back to 1600 rpm for a few minutes and it is good again for a couple of minutes and then starvation sets in again.

 

[Hobo,NC]

You are going to have to bite the bullet and go after those issues are they will keep on defeating you.

 

[Sean in PA]

You can shine a light into the fill neck of the tank to see if there is a lot of gunk in the tank. If it looks clean, then it still might be the screen on top of the shutoff valve, but not that likely. That screen is actually pretty easy to access by removing the shutoff valve, but you have to drain the tank to do that. The filter in the back of the carb is inside the connection where the line from the sediment bowl connects to the carb, also pretty easy to access.

 

[pomester]

I love my ford 2000 3cyl and has been mostly trouble free engine wise. I am now having a fuel starvation issue. It runs fine at 1800 but push it beyond that or up hill and it now wants to cut out after running at that speed a few minutes. THe filter in the glass is good. I understand there is a filter into the carb and filters at the fuel pump. Both are incredibly hard to get to. I think the carb filter is on the back of the carb and would like to attack that first, but is there any secret on how to get at that? I also noticed their is a valve at the bottom of the carb (Holly). Doesn't look like a drain valve? Is that a mixture valve. T-type screw in. THanks all in advance.

My experience is with 4000 series 3 cylinder gas engines, I think the 2000 system is basically the same tho. There's a screen in the fuel tank attached to the valve, there's a screen in the fuel pump which is located behind your generator which you'll want to pull to gain access (your tractor still has its fuel pump, right?), there's a settling bowl/screen in the line behind the carburetor, there's a screen at the inlet fitting to the carburetor. And there is the carb itself which, despite all the screens, can accumulate nasty stuff in the bowl.

Clean all the screens, drain the carburetor, and see if there is a difference. The fuel pump is 'low pressure' (3 psi, I think), my carb has a plug opposite the inlet where I can attach a gauge. Yes, the fuel pump filter is a bit of a PITA, but not 'incredibly difficult', same with the carb fitting. It's a 7 minute operation to pull the carb off and take it to the bench.

Also wouldn't hurt to check the dwell, somebody here made the comment that '90% of carburetor problems are electrical' and there is a grain of truth to that.

 

[kenbob]

My experience is with 4000 series 3 cylinder gas engines, I think the 2000 system is basically the same tho. There's a screen in the fuel tank attached to the valve, there's a screen in the fuel pump which is located behind your generator which you'll want to pull to gain access (your tractor still has its fuel pump, right?), there's a settling bowl/screen in the line behind the carburetor, there's a screen at the inlet fitting to the carburetor. And there is the carb itself which, despite all the screens, can accumulate nasty stuff in the bowl.

Clean all the screens, drain the carburetor, and see if there is a difference. The fuel pump is 'low pressure' (3 psi, I think), my carb has a plug opposite the inlet where I can attach a gauge. Yes, the fuel pump filter is a bit of a PITA, but not 'incredibly difficult', same with the carb fitting. It's a 7 minute operation to pull the carb off and take it to the bench.

Also wouldn't hurt to check the dwell, somebody here made the comment that '90% of carburetor problems are electrical' and there is a grain of truth to that.

Your picture was helpful. At least I know what I am looking for. You are very knowledgeable. Is that t handled valve in the bottom of the carb an adjustment or just for draining? Thanks.

 

[pomester]

Your picture was helpful. At least I know what I am looking for. You are very knowledgeable. Is that t handled valve in the bottom of the carb an adjustment or just for draining? Thanks.

Here's Rachel rebuilding a Holley on a 2000 -

-

There is a hex drain plug on the bottom of the bowl.

One thing I have thought of that could be a cause of your problem is the air cleaner/filter. If you haven't inspected the system and replaced the filter it's probably time to do so. Check the cap that sticks above the hood. On my 4500 someone messed with it and the rain cap can slip down on the tube and choke the air.

 

[kenbob]

THanks, air filter is good. I see the hex head. I am wondering what the twist valve on the bottom controls. My holly is different than the one in the video

 

[Jim.ME]

THanks, air filter is good. I see the hex head. I am wondering what the twist valve on the bottom controls. My holly is different than the one in the video

Post pictures of it

 

[pomester]

THanks, air filter is good. I see the hex head. I am wondering what the twist valve on the bottom controls. My holly is different than the one in the video

Not uncommon for the Holley to have been replaced. They can be problematic. Agree with Jim, post a picture or two.

 

[kenbob]

Will do if the rain ever stops. I know it is a Holly but it might be off another application

 

[kenbob]

Those cell phone cams a great. I can get a good picture even if I can't get down to see. I located that fuel pump screen that way. It appears I mis remembered about the carb drain. Instead of a hex which I thought was there and isn't, there is the t handled valve which is the drain. See attached. Sorry both pictures are sideways.

 

[Hobo,NC]

Those cell phone cams a great. I can get a good picture even if I can't get down to see. I located that fuel pump screen that way. It appears I mis remembered about the carb drain. Instead of a hex which I thought was there and isn't, there is the t handled valve which is the drain. See attached. Sorry both pictures are sideways.

That is a drain are a petcock

JEGS Drain Petcock Male - Walmart.com

Buy JEGS Drain Petcock Male at Walmart.com

www.walmart.com

 

[kenbob]

When I didnt see a hex nut I knew that was what it was but have not seen it on any other Holley's but maybe previous owner put it in.

 

[sweetskillsrk]

Looks like a pretty standard Holley. Yeah, just a little drain valve is all that is. I'm guessing someone put that in there to drain the carb for winterizing/storage to keep the carb from gunking up with ethanol or if they were testing fuel flow, which might be a good time to do that. As others have suggested though, start cleaning screens and see what you can back with. It's a pain to get to all of them, but worth the time if you can find the issue. Could also be that little transfer pump is getting weak.

 

[kenbob]

Once the screens are cleaned I would guess with that little fuel pump the gas should come out of that drain at a pretty good clip

 

[Jim.ME]

Once the screens are cleaned I would guess with that little fuel pump the gas should come out of that drain at a pretty good clip

Actually, with a mechanical fuel pump in the line, you may not see much fuel flow from the carb drain when the pump is not working (engine not running).