Possible Cause
WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0138 - A
- Harness or connectors [The heated oxygen sensor 2 (bank 1) circuit is open or shorted.]
- Heated oxygen sensor 2 (bank 1)
DTC P0138 - B
- Harness or connectors [The heated oxygen sensor 2 (bank 1) circuit is open or shorted.]
- Heated oxygen sensor 2 (bank 1)
- Fuel pressure
- Fuel injector
DTC P0158 - A
- Harness or connectors [The heated oxygen sensor 2 (bank 2) circuit is open or shorted.]
- Heated oxygen sensor 2 (bank 2)
DTC P0158 - B
- Harness or connectors [The heated oxygen sensor 2 (bank 2) circuit is open or shorted.]
- Heated oxygen sensor 2 (bank 2)
- Fuel pressure
- Fuel injector