drivers side
26.0 gallons , according to the Owner Guide
20 gallons or the optional 25 gallons
Depends on the model and what size engine.
Sounds like (& usually is) bad sending unit in tank.
The 2003 Ford Escape is a gas-powered vehicle.
The 2003 Ford Focus is a gas-powered vehicle.
The 2003 Ford Taurus is a gas-powered vehicle.
The 2003 Ford Expedition is a gas-powered vehicle.
The 2003 Ford Mustang is a gas-powered vehicle.
According to the 2003 Ford Taurus Owner Guide : ( the fuel tank capacity is 18.0 U.S. gallons )
The 2003 Ford F-150 is a gas-powered vehicle.
It's designed to run on " regular " unleaded gas - 87 octane . The gasoline can have a maximum of 10 % ethanol ( If you mean E 85 - NO ! )