For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Engine 🢒 Engine Controls - 3.0L 🢒 Secondary Air Injection System Diagnosis

Secondary Air Injection System Diagnosis for Cadillac Catera 1999

The Secondary Air Injection (AIR) System diagnosis is covered in the following DTCs:

•	DTC P0411 Secondary Air Injection (AIR) System

•	DTC P0412 Secondary Air Injection (AIR) Solenoid Control Circuit

•	DTC P0418 Secondary Air Injection (AIR) Pump Relay Control Circuit