1. Idle with black smoke.
2. Engine jerk when idling.
3. spark plug goes black and after replacement its ok for a while but later will be like running on 3 cyl.
4. Changed plug ...
is it possbible to DIY lowering the front part of the bonnet? I mean like tilt a bit lower down... cause my engine so damn dirty la... cannot tahan... worst thn WRC car(heh heh)