5S-FE MK2 Non-Turbo Engine Problem / Oxygen Sensor [Archive] - Toyota MR2 Message Board

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Hi MR2 drivers.. I am having great problem for a month now. When i am driving my MR2 - when it is cold - it is more or less ok. But when it becomes warm - it is jerking when accelerating. For example i put in first gear from standing - push pedal slowly or fast - does not make sence - the car accelerates and then jerks or shuts down like for a few seconds... And yello light is on (gas economy) when it happens. Or i drive the highway - like 5th gear - ~ 2.5 rpm.. if i heep the same speed