DTC P0441 EVAP. Emission System Incorrect Purge Flow: DTC Detecting Condition
DTC P0441 DETECTING CONDITION TABLE
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
Case 1) |
- Monitoring Fuel Tank Pressure & pressure difference after shut off valve closed
|
- Leakage on hose to PCSV
- Defective PCSV
|
| Case 2) |
- Monitoring Fuel Tank Pressure during Vapor Generation check
|
| Enable Conditions |
- Coolant temperature >74°C (165°F)
- Ambient air temperature model >-10°C (14°F)
- Vehicle speed < 10km/h (6mph)
- Time after start > 590 sec. Limited Canister saturation
- Limited Canister saturation
- Estimated altitude < 2.4km (8000ft)
- Canister load < 1
- Minimum canister purge time: 3~25sec.
- 11V < Battery voltage < 16V
|
| Threshold Value |
Case 1) |
- Differential fuel tank Pressure < -1700 Pa and Pressure difference after shut off valve closed > 200 Pa
|
| Case 2) |
- Differential fuel tank Pressure < -200 Pa
|
| Diagnostic Time |
|
| MIL On Condition |
|