P0507 Idle Air Control

[BYprodriver]

Originally Posted by paulv

Try swapping the injectors because running too lean/rich will cause misfires. Also, check wiring of the O2 sensor (front of TWC)for Bank 1 because a grounded power lead to the O2 sensor can cause a too rich/lean signal.

Regards,
paul...

Found it, the #1 plug lead connector was not making a good connection, cleaned it & carefully reconnected & rescanned, no CEL still no smoke.

88,000 miles on original AOS

Thanks for the ideas guys.