Component Inspection

P0140 O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 2)

Inspection/Repair - Component Inspection

Component Inspection

Visual Check
1. IG KEY "OFF".
2. Disconnect HO2S (S2) connector.
3. Check that HO2S (S2) is contaminated or damaged by foreign materials.
4. Has a problem been found?