Nissan Altima Plug Wire Replace/Remove

My 2005 Nissan Altima Keeps Giving Po302 Code. I've Changed Spark Plug, Coil And Harness Connector. Whenever I Change Something, The Problem...

Change The Wires,spark Plugs, Distributer Cap And Rotor

Fire Was Breaking In A Spark Plug Or Wire After The Vehicle Engine Warned-up, Only In The Driving Position At A Stop Sign Or Traffic Light...

I Have A 1993 Nissan Altima That Is Not Firing On The # 4 Cylinder....i Removed Each Spark Plug Wire With Noticeable Change Except For The #...