System Inspection

Disconnect the vapor hose from the throttle body and connect a vacuum pump to the nipple on the throttle body.
Check the following points with applied vacuum using a vacuum pump.

At Cold Engine (Engine Coolant Temperature < 60°C(140°F))

ENGINE OPERATING CONDITION CHART (COLD ENGINE)

Engine Operating Condition	Applied Vacuum	Result
Idle	0.5kgf/cm² (50kPa, 7.3 psi)	Vacuum is held
3, 000 RPM	0.5kgf/cm² (50kPa, 7.3 psi)	Vacuum is held

At Warmed Engine (Engine Coolant Temperature > 80°C(176°F))

ENGINE OPERATING CONDITION CHART (WARMED ENGINE)

Engine Operating Condition	Applied Vacuum	Result
Idle	0.5kgf/cm² (50kPa, 7.3 psi)	Vacuum is held
Within 3 minutes after engine start at 3, 000 RPM	Try to apply vacuum	Vacuum is released
In 3 minutes after engine start at 3, 000 RPM	0.5kgf/cm² (50kPa, 7.3 psi)	Vacuum will be held momentarily, after which, it will be released