P2440 Diagnostic Trouble Code Discussion for May 2021
Secondary Air Injection System Switching Valve Stuck Open
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| Help Request | Posted | |
| 2012 Chevrolet Impala LT 3.6L MIL Lamp on VIN: 2G1WB5E34C P2440: Secondary AIR shutoff valve stuck open. ... unable to get the Electric AIR pump to operate using a GM Tech 2 with candi module. No Blown fuses, All relays appeared to operate at this time. I found water in the AIR pump, being cold in Maine in March it could have frozen.. Cleaned ALL the water o... |
May 14, 2021 |
