The fuel may also have moisture in it, and the moisture mixes with ethanol in the gasoline and settles at the bottom of the tank, which is where the fuel line is located. The ethanol-water mixture ... Tank may be refilled after 30 minutes or when the repair is tack free. The repair resin is designed to harden within 8 10 minutes and cures in 30 minutes. Repairs can be made ideally at temperatures from 50°F to 75°F (10°C to 24°C).
Mar 25, 2011 · At speeds less than 40mph, opening the window slightly won't really affect fuel use, but air conditioning increases fuel use at all speeds. 4. Modern cars do not need to "warm up" before driving off.