!. Don`t touch the throttle pedal when starting engine 2. Check for air leaks on manifold (pipes/plugs) 3. Disconnect, leave for a bit and then reconnect battery to reset ecu 3. Possible lambda sensor failure...disconnect sensor plug under footwell and try driving without it connected (hunting) Try these in sequence to see if it improves....generally works for me! When you say `hunting` do you mean the engine speed changes by itself or do you mean the car `kangaroos` (jerky) when you try to accelerate/decelerate? `Kangarooing` can be throttle pot setting error and is not uncommon. If you have Easy map you can reset it but it is very sensitive and needs to be in balance with the idle air setting.