DTC P0140 Or DTC P0160: Notes

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Code Definition

DTC P0140: Right Rear HO2S Circuit - No Activity Detected
DTC P0160: Left Rear HO2S Circuit - No Activity Detected

NOTE: Right rear HO2S is identified as O2S12 and left rear HO2S is identified as O2S22.