G glider Veteran Member Aug 17, 2009 #21 It's very possible that the pinging is coming from the very lean EPA mixture. If you are getting the TFI, I would get it now instead of waiting, it may be all that is needed, if not you unplug the TFI and go to the dealer.
It's very possible that the pinging is coming from the very lean EPA mixture. If you are getting the TFI, I would get it now instead of waiting, it may be all that is needed, if not you unplug the TFI and go to the dealer.
