Search this forum for IAC, or Idle Air Control Valve, or Idle Speed Control, or ISC
If your Sephia has greater then 80K suggest you clean the IAC. It may also be an occasional idle stalling problem like mine was. This post should be a sticky.
If your Sephia has greater then 80K suggest you clean the IAC. It may also be an occasional idle stalling problem like mine was. This post should be a sticky.