Hi got an Astra H 2006 1.4 sxi problem I got no throttle response vehicle idles fine but won't rev above 2k rpm, I change throttle body no difference, I change pedal, no difference, clean egr vavle no difference. Car was driving fine then suddenly lost all throttle response. Could this be an ecu issue, I got fault code throttle lower position not learned and this code won't clear. Please any help would do