Guys kindly help me sa problem ko pag nasa 100kmh nako eh nag ccheck engine na at hindi na nawawala kahit mababa na takbo... Pero pag turn off ng engine eh wala na yun check engine unless mag 100kmh nnman...

Please suggest a shop kung saan ko pwede ipaayos ito, 4age high horse ang engine.

Your help/inputs are greatly appreciated. thanks a lot