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P2440 Diagnostic Trouble Code Discussion for October 2011

Secondary Air Injection System Switching Valve Stuck Open


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Trouble Ticket Help Requests for DTC P2440
Help Request Posted
2008 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT58M08
P2440: Air solenoid remains open. ... for a check engine light concern. I activated the air pump with my snap on verus and the pump did not run. Found no output from the air pump relay. Replaced the relay and then was able to activate the pump with the scanner. Light came back on within a day ...
October 20, 2011
2008 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT58M08
P2440: Air solenoid remains open. ... for a check engine light concern. I activated the air pump with my snap on verus and the pump did not run. Found no output from the air pump relay. Replaced the relay and then was able to activate the pump with the scanner. Light came back on within a day ...
October 25, 2011
2008 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT58M08
P2440: Air solenoid remains open. ... for a check engine light concern. I activated the air pump with my snap on verus and the pump did not run. Found no output from the air pump relay. Replaced the relay and then was able to activate the pump with the scanner. Light came back on within a day ...
October 20, 2011
2008 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT58M08
P2440: Air solenoid remains open. ... for a check engine light concern. I activated the air pump with my snap on verus and the pump did not run. Found no output from the air pump relay. Replaced the relay and then was able to activate the pump with the scanner. Light came back on within a day ...
October 25, 2011