Emission Control Systems: Specifications

ENGINE OPERATING TEMPERATURE 85° - 100°C (185° - 210°F)

EVAP. BREATHER/VENT VALVE PRESSURE 0.02 - 0.3 bar (0.3 - 4.4 psi)

FUEL TANK SEALING CAP PRESSURE 0.3 - 0.4 bar (5 - 5.8 psi)

FUEL SYSTEM OPERATING PRESSURE
Pressure regulator vac. hose disconnected 3.8 - 4.2 bar (55 - 70 psi)
Vac. connected & 18 - 20" Hg vacuum 3.4 - 3.7 bar (49 - 54 psi)

FUEL SYSTEM RESIDUAL PRESSURE
Cold engine 2.2 bar (32 psi) minimum
Warm engine 3.0 bar (44 psi) minimum