P2443 Diagnostic Trouble Code Discussion for July 2017
Secondary AIR System Switching Valve Stuck Closed (Bank 2)
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| Help Request | Posted | |
| 2007 Toyota Tundra SR5 4.7L MIL Lamp on VIN: 5TFBT54157 P2443: Secondary Air Injection System Switching Valve Stuck Closed (Bank 2). ... Light. Fault codes P2442 & P2443 stored. Disconnected hose leading to passenger Air check valve, water poured out. Retested system - failed. Replaced that valve. 7/14/17 vehicle back in, same codes but indicating the drivers side check valve was faulty... |
July 19, 2017 |
