R RacingBoy Known Member Senior Member Joined May 18, 2005 Messages 98 Points 3,006 Location kl May 2, 2013 #1 My AE111 Toyota jerking. When I change the new spark plug then it become black carbon in one min? What happen? Any sensor or thortle body problem?
My AE111 Toyota jerking. When I change the new spark plug then it become black carbon in one min? What happen? Any sensor or thortle body problem?
Dayline668 1,500 RPM Senior Member Joined Aug 4, 2007 Messages 1,827 Points 1,683 Location KL May 3, 2013 #2 Exhaust black smoke alot...? Running rich... Check O2 sensor at the exhaust.