DTC P0145 (O23_R): Front O2S 2 (LH) Circuit Slow Response
If DTC P0142 exists, diagnose DTC P0142 first. Clear DTC and retest. If DTC P0142 resets, check exhaust system and repair as necessary. If exhaust system is okay, replace left front O2S.
If DTC P0142 exists, diagnose DTC P0142 first. Clear DTC and retest. If DTC P0142 resets, check exhaust system and repair as necessary. If exhaust system is okay, replace left front O2S.