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
|
Applied vacuum
|
Result
|
Idling
|
50
kPa (7.3 psi)
|
Vacuum is held
|
3,000
rpm
|
WHEN ENGINE IS 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
| |