The engine check light flashes and immediately the engine speed dies

Engine warning lights come on very faintly when ignition key is removed

I have a Rav 4 and I like the vehicle, but after 23200 km, as I'm driving in first or second gears, it jerks considerably. I though the problem was the fuel, so I increased the octane rating with some… 

Overheating engine sometime

What are the issue of overheating

Engine overheating red light coming