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high idle

  1. Fifth Generation
    Just replaced iac and coolant sensor but car does this Watch Video Of Idle Surge
  2. Fifth Generation
    I swear I have no idea why it’s still idling high I replaced the idle control valve and the sensor but if I cover the iac valve to the throttle body and it idles fine (hmmmm). replaced my coolant sensor used my multimeter to check it (it checked out) no vacuum issue despite the 29yr old hoses...