Re: Drop in fuel level after fill up
How's the mileage? I'll assume that you're not completely filling the tank. Try another fuel station, or, at the same fuel station, pull the nozzle out 1" or so when fueling and that should allow the tank to get full.
On my '99 Taurus, after driving 45kms (28m) my fuel tank needle drops 1/4 tank, but it's done that since new and I wouldn't overly concern myself if your mileage is on par.
If you put in ten gallons and drive 300 miles on the highway or better, you're in great shape.
If it's really bothering you, you can do two things, such as change the fuel filter for added piece of mind and get the fuel pressure and pump/sending unit checked out. As the car doesn't seem to be leaking fuel, try the 'pull out the nozzle a bit' method that I mentioned above. I know when my '99 Taurus is full, the pump kicks off and I can still put in a gallon of fuel afterward, if not more, should I want to push it when going on a long trip.
Yes, regular A/C use can allow water to pool under the front of the vehicle as it drains out in front of the fire wall. Keep in mind, to save wear on the compressor, shut the A/C off and wait a few seconds before turning off, or on, the vehicle.
Otherwise I wouldn't be too concerned.
'00 Durango R/T 360ci 290hp (modded); 138,500m
'06 Pontiac G6 GT 3.5L 220hp; 44,000m
'12 Chrysler 200 Limited 3.6L 283hp; 13,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!