| DTC Strategy |
- Monitor the fuel trim value
|
- Air leakage
- Improper fuel pressure
- PCV valve stuck
- Clogging of injector
- Fuel system
|
| Enable Conditions |
- Engine coolant temperature is higher than 60°C (140°F)
- Idle long term fuel trim active conditions
- Engine speed is lower than 900 RPM
- Mass fuel flow is lower than 16mg/stroke
- Canister purge not active
- Part load long term fuel trim active conditions
- Engine speed is between 1150 and 4000 RPM
- Mass fuel flow is higher than 10mg/stroke
- Canister purge not active
|
| Threshold Value |
- Idle long term fuel trim is higher than 4.0 mg/stroke
- Part load long term fuel trim is higher than 25%
|
| Diagnostic Time |
|
| MIL ON Condition |
|