| DTC Strategy |
- Monitoring the deviation of short term fuel trim
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- Air leakage
- Improper fuel pressure
- PCV valve stuck
- Restricted injector
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| Enable Condition |
- Engine coolant temperature is greater than 74°C (165.2°F)
- Fuel trim active:
- No relevant failure (upstream HO2S, injector valve, ETC in limp home state)
- Measured tip temperature is greater than 680°C (1256°F)
- Engine coolant temperature is greater than 0°C (32°F)
- Engine speed is faster than 512RPM
- Barometric pressure is greater than 75kPa
|
| Threshold Value |
- Short term trim value at maximum limit for more than 40s of total monitoring time (90s)
- Average of short term fuel trim is greater than or equal to 50%
|
| Diagnostic Time |
|
| MIL ON Condition |
|