P2447 - Secondary Air Injection System Pump Stuck Off Bank 2
- Air pump fuse
- Vacuum hose
- Air pump assembly
- Faulty Pressure Sensor
- Air pump harness is open or shorted
- Air pump circuit poor electrical connection
- Pressure Sensor harness is open or shorted
- Pressure Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
The ECM observes the pressure in the secondary air passage using the pressure sensor located on the air switching valve in the secondary air injection system. The sensor detects an exhaust pressure in the secondary air passage.
P2447 Information for specific makes
P2447 LEXUS Secondary Air Injection System Pump Stuck Off Bank 2
P2447 TOYOTA Secondary Air Injection System Pump Stuck Off Bank 2
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