P2440 Diagnostic Trouble Code Discussion for March 2011
Secondary Air Injection System Switching Valve Stuck Open
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| Help Request | Posted | |
| 2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK15F97 P2440: Secondary AIR System Switching Valve A' Stuck Open. This customer bought this vehicle about 6 months ago. Well when the weather turned cold her check engine light came on and the gas milage got bad and the car started running bad. I checked it out and found the car had been in an accident. They put the wrong ai... |
March 10, 2011 | |
| 2005 Toyota Sequoia Limited 4.7L Hesitation, MIL Lamp on P2440: Secondary Air Injection System Switching Valve Stuck Open. This is a fix not a help request. Found above codes for air pump system. Codes are not exact definition, but they all related to the air pump system. Had to pull intake to check air pump and related valves. When I pulled air pump top cover off I found that a f... |
March 28, 2011 |
