Protege L4-1839cc 1.8L DOHC (1990)
Fuel Pressure: Specifications
FUEL PUMP PRESSURE ........................................................................................................................................................ 64 - 85 psi (441 - 589 kPa)
FUEL SYSTEM PRESSURE (REGULATED)
W/18" - 21" Hg Vacuum To Pressure Regulator ..................................................................................................................... 30 - 37 psi (206 - 255 kPa)
W/No Vacuum To Pressure Regulator .................................................................................................................................... 38 - 46 psi (265 - 314 kPa)
FUEL SYSTEM RESIDUAL PRESSURE ...................................................................................................................................... 21 psi (147 kPa) min.
BYPASS AIR CONTROL (BAC) VALVE
Air Valve Operating Range ................................................................................................................................................... Closed Above 140°F (60°C)