P1411 & Bad AOS... Any possible connection?
I've been getting a CEL with code P1411 Secondary Air Injection Signal Implausable cyclindars 4-6 about once every month and Yesterday I was removing the idle control valve from the throttle body for a quick cleaning which required I remove the Plastic Tube that connects the AOS and the throttle body....
Noticed oil in the hose and at the top of the AOS... I assume that means the AOS has stopped working correctly but my question is Would a bad AOS cause a P1411 CEL?
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