tique79 Posted April 15, 2008 Report Share Posted April 15, 2008 Cleaned throttle body on our 99 Concours and received a service engine light upon restarting. Codes pulled were po103 (MAF sensor circuit high frequency), po111 (IAT sensor performance), po113 (IAT sensor circuit high voltage). Engine stumbles upon acceleration and WOT. What is this saying to me and what part needs to be replaced? Link to comment Share on other sites More sharing options...
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