Help, I'm close to burning this thing! I just replaced the coilpack (AGAIN) and removed my Denso plugs and refitte the original NGKs' but still no luck.. Basically, I start the car, it fires and it runs rough as! The idle is lumpy, it is overfueling and I get an odd popping noise, like an extreme pinking! Even after running the car for 5 mins, the plugs are sooty black which indicated the overfuelling not only to be confirmed by the smell of the exhaust fumes and the popping and flames.. I don't mind the flames.. The popping noise doesn't sound like metal on metal, the engine will run and at