Hello guys please need ur help as I'm tired trying things my Celica speed meter not working and engine light on when I start drive.... It's not faulty gauge as computer says VSS speed sensor I can't seem to find it its automatic GTS there to input and output sensors on gearbox I changed both still no luck also sometimes the engine light goes away when I'm driving and speed meter too sometimes speed meter plays like crazy lol goes to 180mph and comeback like that.... So please help me as when engine light on there will be no lift!!!