Chevrolet - OBD Code Lookup

P0446 Chevrolet

Evaporative Emission Vent System Performance

Evaporative Emission Control System Leak Detected Small Leak

Evaporative Emission Control System Purge Control Valve Circuit Malfunction

Exhaust Gas Recirculation Closed Position Performance

Catalyst System Low Efficiency Bank 2

Evaporative Emission System

Exhaust Gas Recirculation Temperature Sensor ‘B’ Circuit High

Exhaust Gas Recirculation Temperature Sensor ‘B’ Circuit Intermittent/Erratic

Secondary Air Injection System Switching Valve ‘A’ Circuit Low

Catalyst System Low Efficiency Bank 1