hello every one i need some help i need to get my car smoged at a test center and my engine light is on can u guys help me, and figure this problem out. i just changed the o2 sensers... hmmm what enser could it be. and replys wanted .. thanks for reading my post...

 

go to autozone or any other parts store and they will read the code for free, that will tell you what is wrong with it. then replace the faulty sensor.