Secondary Air Injection System Woes - Smart Car Forums
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post #1 of 1 (permalink) Old 12-03-2013, 12:45 PM Thread Starter
 
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Secondary Air Injection System Woes

Replaced the secondary air injection valve many folks on this forum suggested. Pump ran for a while and quit. Replaced pump 50A fuse, pump relay, and now the pump, after code for a failed pump came on.

Worked fine for a day until another check engine light came on with a code P2440 - Air injection System Switching Valve stuck open (bank 1) . I'm assuming the valve opened because of the non-functioning pump. I'm old enough to remember smacking a starter solenoid with a screw-driver when it stuck. I rapped the valve, unplugged the electrical connector and 2 lines, and reattached.

Assuming the CEL will come on again (great timing; I'm due for a state inspection which will include emissions), does anyone have any suggestions how to unstick the valve, short of ordering another one? Thanks for any help you may have.
ivanwhite is offline  
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