Important! : fault code 303 help!

  1. #1
    my diagnostics have detected a po303 fault code which is cylinder 3 misfire but i have changed coilpack, checked all wiring, changed sparkplugs, lambdas are ok cat is all good and problem still persists. can anyone help me out. thanks .
  2. #2
    Injector?
  3. #3
    what car is this? what year?


    might not be full EOBD II, so could be a random spurious code...
  4. #4
    thanks. and its a 2001 vtr mk2 i used one of them cheap OBDII readers lol
  5. #5
    anyone else can help me its not the injectors ive tested and cleaned them today?