Guys, this has been going in for 2 years. I have a 94 OBd1 Fzj80. I’ll put in new NTK or Denso sensors and all will be good for a while. Then after like three months my idle will start to go chug chug chug when I start her up in yhe
Morning. Then while driving I’ll feel the car running rough and it will throw a check engine light saying an 02 sensor will be the culprit. What keeps causing this? Bad cat? These are factory original cats. How do I diagnose and really pinpoint cause?
Morning. Then while driving I’ll feel the car running rough and it will throw a check engine light saying an 02 sensor will be the culprit. What keeps causing this? Bad cat? These are factory original cats. How do I diagnose and really pinpoint cause?