P0420 Subaru
Catalyst System Efficiency Below Threshold
Subaru
P0417 Subaru
Secondary Air Injection System Switching Valve ‘B’ Circuit Shorted
P0418 Subaru
Secondary Air Injection System Relay ‘A’ Circuit Malfunction
P0416 Subaru
Secondary Air Injection System Switching Valve ‘B’ Circuit Open
P0413 Subaru
Secondary Air Injection System Switching Valve ‘A’ Circuit Open
P0414 Subaru
Secondary Air Injection System Switching Valve ‘A’ Circuit Shorted
P0410 Subaru
Secondary Air Injection System Malfunction
P0411 Subaru
Secondary Air Injection System Incorrect Flow Detected
P0390 Subaru
Camshaft Position Sensor ‘B’ Circuit Signal Fault Bank 2
P0400 Subaru
Exhaust Gas Recirculation Flow