Substitute Value (DTC EFI-55x, EFI-545)
- Fuel trim for both heated oxygen sensors (HO2S) disabled
- Heated oxygen sensor (HO2S) aging diagnostic disabled
- Long-term fuel trim disabled
- Three-way catalytic converter (TWC) diagnostic disabled
- EVAP diagnostic is disabled
- Short circuit in heated oxygen sensor (HO2S) signal cable and ground lead blocked