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AutoMD ... 8/17/2010
2005 Buick LaCrosse CXL 6Cyl3.8L - Engine
Error Code P2440 Secondary Air Injection System Switching Valve Stuck Open Bank 1
Error Code P2440 Secondary Air Injection System Switching Valve Stuck Open Bank 1. What do I need to check and or replace to resolve the issue.
1 Answer
  • HouseCallAuto
    HouseCallAuto 8/17/2010
    The cause is either a bad Air Injection Reaction (AIR) Pump or Air Injection Reaction (AIR) Shut-Off Solenoid
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