I usually carry a lot of junk in my trunk of my Park Avenue. That is where all of the bags, suitcases, carwash items, windshield washer fluid, etc. always ends up. My car was setting low in the rear, even with the factory auto-level air suspension on the back. The pump was running a lot anyway (no wonder - so I disconnected it (removed fuse). I have removed some of the junk out and it does not bottom out as much. I am thinking that perhaps I am due for a tune-up, or maybe even a air filter. I filled it up today ($21.00 @ 1.55 per gallon - it had a little in it) and I checked the mileage from the last tank full. It was exactly on 200 miles. It still had some gas, but the light had already illuminated and the guage was already in the red zone. My Lexus LS400 will hold about $33.00 @ 1.60-$1.70 per gallon and I get about 300-400 miles per tank. It seems to have a larger tank.

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2004 Toyota Sequoia Limited 4wd
1991 Lincoln Town Car Executive
1991 Cadillac Sedan DeVille
1988 Mercedes 300SEL
1972 Chevrolet Caprice Kingswood Estate 9-passenger wagon
1973 Pontiac Grand Ville
(Prior MB's: 1974 240D, 1985 380SE, 1984 190D, 1993 400SEL)