My cars a mk3 8v gti its jerking in third and fourth , and looses power when revs over 4000 , the motor is a AGG 1996 model , changed the throttle buterfly the air sensor ignition coil and sparks....some improvment but still is?nt back to its decent power.
would appreciate if any body that may have had a similar problem could tell me how they solved it.
thanks in advance .