Component Inspection

Engine Control
P2271 O2 Sensor Signal Stuck Rich (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 ?