FixVault

Evaporative Emission Control System: Inspection

  1. Disconnect the vacuum hose from the throttle body, and connect a vacuum pump to the vacuum hose.
  2. Check the following points when the engine is cold [engine coolant temperature 60°C(140°F) or below] and when it is warm [engine coolant temperature 80°C(176°F) or higher].

WHEN ENGINE IS COLD 

ENGINE OPERATING CONDITION - COLD

Engine operating condition Applied vacuum Result
Idling 50 kPa (7.3 psi) Vacuum is held
3,000 rpm

WHEN ENGINE IS WARM 

ENGINE OPERATING CONDITION - WARM

Engine operating condition Applied vacuum Result
Idling 50 kPa (7.3 psi) Vacuum is held
Within 3 minutes after engine start at 3,000 rpm Try to apply vacuum Vacuum is released
After 3 minutes have passed after engine start at 3,000 rpm 50 kPa (7.3 psi) Vacuum will be held momentarily, after which, it will be released