Operation CHARM: Car repair manuals for everyone.

Emission Control Systems



ENGINE OPERATING TEMPERATURE
Minimum 80 to 90°C (180 to 190°F)

FAST IDLE VALVE
Open below 30°C (86°F)

THERMOVALVE
Open above 70°C (157°F)

TWO-WAY VALVE:
Open VACUUM 5 to 15 mmHg (.6 to .6 in.Hg)
Open PRESSURE 25 to 55 mmHg (1.0 to 2.2 in.Hg)

CONSTANT VACUUM CONTROL VALVE
At outlet VACUUM 200 mmHg (8 in.Hg)