DTC P0497 EVAP. Emission System-Low Purge Flow: DTC Detecting Condition
DTC DETECTING CONDITION AND POSSIBLE CAUSES
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Fuel tank pressure behavior (Canister purge valve stuck check)
|
- Clog on the fuel Evaporative system hose
- PCSV
- ECM/PCM
|
| Enable Conditions |
- Time after engine start > 600sec.
- Idle speed controller activated
- Mixture adaptation activated
- Coolant temperature at start - ambient temperature < 6.6°C (11.88°F)
- Ambient temperature: 4~35°C (39.2 - 95°F)
- Ambient pressure > 680hPa (10 lbf/in2
)
- Fuel level: 6.45~38.7 L (1.7~10.2 gal)
- Tank ventilation must be active > 10sec.
- No misfire
|
| Threshold Value |
- Reference value of differential tank pressure > 5hPa (10.443 lbf/ft2
)
|
| Diagnostic Time |
|
| MIL ON Condition |
|