i serched and only 4 things came up and they didnt answer my Q i may have done it wrong but i dunno i know my ecu is flashing i looked at it and it does to what looks like long flashes and then nothing then 2 long flases then nothing and so on i was wondeirng what that was and what i need to do thanks all

 

ok im thinking its my o2 senser but where is that at and how many are there is it hard and how much is it if any one knows haha alot of Q in one thanks all