| DTC Strategy |
- Monitor the fuel trim value
|
- Air leakage
- Improper fuel pressure
- PCV valve stuck
- Restricted injector
|
| Enable Condition |
- Engine coolant temperature is greater than 74°C (165.2°F)
- Idle long term fuel trim is active conditions:
- Engine speed is lower than 900 RPM
- Mass Fuel Flow (MFF) is lower than 0.048g/revolutions
- Part load long term fuel trim active is conditions:
- Engine speed is between 1150 RPM and 4000 RPM
- Mass Fuel Flow (MFF) is between 0.03g/revolutions and 0.099g/revolutions
|
| Threshold Value |
- Long term fuel trim has reached maximum limit for more than 20s within 90s
|
| Diagnostic Time |
|
| MIL ON Condition |
|