BTW, I did find out when I changed the fuel filters that the manual primer pump does not screw down, and even though it worked fine it did leak alot on the floor during pumping. I never saw evidence of leaking fuel on the road--none in the oil, none on the ground during idling. I guess its possible it leaks at higher rpms, though I never saw anything underneath--and I checked quite often as the vehicle was new to me. Maybe that's part of the 10 mpgs?
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