Haha.... I know edy... Start engine n pull spark plug 1 by 1. Since u mentioned abt plug 4. Hehe, call ur mechanic to test wet n dry compression test. Then u know what I mean....
today i test drive the skyline r34 tiptronic by using the steering shift.. no matter how i press it, it's also nothing happen no matter i press + or - ! what it's happen??