Originally posted by imnotacop420:
i had the resonator removed from the svt and i noticed that the check engine light will come on and stay on for about 3weeks then it goes off for maybe a week or 2. I finally decided to go to auto zone and find out why, the guy said that the oxygen sensor after the cat is what is causing the light to go on. So he reset it and the light is no longer on. any truth to this? or should i get a second opinion




You have to replace the O2 sensor if you dont your gas mileage we be bad. I had to replace mine after cat. to, it isnt to bad $68.75 at NAPA.