quote:Originally posted by Mark Charlton:
Mark,
I hope others will chime in in case this is not the best advice, but if it were me, and removing the tank is obviously not an option, I would:
• Temporarily put a fuel filter between the pick-up and pump for a tank or two. I know that's not ideal, but a large diameter filter won't impede flow that much but it will trap whatever crap is getting stuck in the pump. Glass ones are great because you can see the crud.
• Consider draining all the fuel and washing out the tank with water (completely fill and drain) and then doing a final "rinse" with gas (which is disposed of later (could even be filtered fuel that you drained originally). Then let it dry as long as possible — perhaps aided by an air line dropped in to increase circulation.
I don't know any other methods. Obviously when fuel vapors are present you need to be really cautious about using any spark-producing tools to aid in the tasks.
I hope you get it resolved soon.
Mark
Yeah Mark I agree, I really don't want to remove the tank.
So I think most of you know but if not I am running a EFI system. I already have a high flow fuel filter before the pump and after the pump. The clog was in the line at the bottom of the tank before the filter. So today I remove the fuel level sending unit and fuel full extension from the top of the tank. I can see 90% inside the tank by looking with a light and using a borescope. I did not see anything. I used a lint free rag on a stick to wipe the bottom of the tank. Only to find it picked up small bits of sediment. I just can't see what clogged the line in the first place.