Dodge Ram P0406: EGR Sensor “A” → Circuit High

Dodge Magnum P0406: EGR Sensor “A” → Circuit High

Chevy S10 P0410: Secondary Air Injection System → Malfunction

Ford Explorer P0420: Catalyst System Efficiency → Below Threshold → Bank 1

Toyota Tacoma P0411: Secondary Air Injection System → Incorrect Flow Detected

Volkswagen Jetta P0411: Secondary Air Injection System → Incorrect Flow Detected

Ford Edge P0420: Catalyst System Efficiency → Below Threshold → Bank 1

Ford Econoline P0420: Catalyst System Efficiency → Below Threshold → Bank 1

Dodge Ram P0420: Catalyst System Efficiency → Below Threshold → Bank 1

Dodge Journey P0420: Catalyst System Efficiency → Below Threshold → Bank 1

Dodge Charger P0420: Catalyst System Efficiency → Below Threshold → Bank 1

Dodge Caravan P0420: Catalyst System Efficiency → Below Threshold → Bank 1