P1413 FORD - Secondary Air Injection System Monitor Circuit Low Voltage
- Faulty Secondary Air Injection Downstream (AIR) pump
- Hose off or blocked
- Bypass solenoid stuck open/closed
- Engine Light ON (or Service Engine Soon Warning Light)
P1413 Ford Description
Secondary Air Injection Downstream (AIR) Flow. The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system Electric AIR Pump Hose from AIR pump leak AIR bypass solenoid leak/blocked Hose from AIR pump blocked AIR bypass solenoid stuck open/closed In order to test the AIR pump, it must be capable of driving the HO2S lean.