Condition for fault identification
Test condition:
The fault is recognized when there is no drop in the current consumed by the leakage diagnosis pump.
Potential problem source(s):
- Tank EVAP evaporative emissions valve sticks in closed position
- Obstruction in line between tank and intake manifold
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine ON