Hey Joe, I've used compressed air to do exactly what you're thinking. If the screen is plugged up it will clear it for a little while. Be gentle with the air though, and make sure you take the fuel cap off, or you may inflate your tank. You can also switch the supply and return lines in the engine bay to bypass the screen. I wouldn't do this for the long term, but it's okay for a troubleshooting purpose. Also the tank screen on wagons does not require a 46mm socket. You'll need a 22mm allen bit socket, or a 22m bolt head with nuts cranked down on it, and a regular 22m socket to get the screen out. If you still have my number give me a call, maybe we can figrue out whats going on.
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Andrew '04 Jetta TDI Wagon
'82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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