Is this a fuel delivery problem?????

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Mar 8, 2015 | 12:02 PM

#16

robs97z28

Mountain Pass

Joined: May 2007

Posts: 153

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From: Pheasant Hill, CA

Quote:

Originally Posted by mhoefer

Maybe your pulling air from the pick up tube in the tank somewhere. There are some connections that could be cracked and brittle inside the tank. Either that our you still have a leak in the connections to the new HFCM, aired pump. When you undid connectors, did they come apart properly or did you have trouble. I would also look carefully at those. These kind of things can sure be a pain.

With the issues you are having, I would drop the tank. That way you can confirm all of the hoses are not cracked (sucking air) and there isn't any problems with the pick up tube. The pick up tube could be cracked. I hope it is a fuel line at the tank.

Mar 8, 2015 | 02:59 PM

#17

natew

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I've put the tube on the tank side and the same result. it ran for a few minutes then died. This morning I put the tube on the engine side and I get lots of air. Reinstalled the filter twice and the same results.....air. I've cycled it and run and 1.5 gal and still lots of air. This a new pump, new filter and new HFCM. No what!!!!!!!!

Mar 8, 2015 | 03:41 PM

#18

robs97z28

Mountain Pass

Joined: May 2007

Posts: 153

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From: Pheasant Hill, CA

do you have a 5 gal gas can? take a rubber hose from the HFCM tank inlet side and run the hose into a 5 gal gas can. make sure the rubber hose is long enough to reach the bottom of the can. Basically eliminating the the factory gas tank. cycle the key a few times and see if it will run on the 5 gal gas can. if it runs on the 5 gals gas can. the problem is with the tank and nothing else.

Mar 8, 2015 | 04:23 PM

#19

natew

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I just hooked up a tube from the tank side and put it in a container of fuel. Put a tube on the out let side of the pump. Ran about 2-3 gal through the pump and still a lot of air.

Mar 8, 2015 | 04:35 PM

#20

natew

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Could air be coming in from one of the return line? Does the fuel that is going back to the tank mix with fuel going to the engine inside the HFCM? Just grasping at straws. If some one wants to talk about this, here's my cel 971-275-4576. Nathan

Apr 12, 2015 | 03:15 PM

#21

wilefish

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hello all

did you ever get this situation fixed? and what was the culprit?

Apr 28, 2015 | 01:20 PM

#22

natew

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Man, do I feel stupid. The problem was a bad batch of biodiesel. That batch was under processed for some reason. It was plugging the bottom filter because it was too thick, i think. Removed all 25 gal and put regular diesel in there and it ran great. No problems. Next time Ill know. LOL