Hi , I have a 00 Toyota altezza g1 4 cylinder , it’s misfiring , cylinder 1 , 2 , 3 all good , cylinder 4 is soaking the spark plug in petrol , swapped coil packs for 1 to 4 and same problem , I plugged out each coil pack each one dies down but when I plug out 4 nothing happens when I swapped coil packs same thing happens in number 4 , there sparking constant in 1-3 , 4 is sparking on and off not constant like the others , any one have any idea , new spark plugs and coil packs too , anyone able to help thanks
