For about the fourth time in my Passat’s life, the check engine light came on. I would say that is pretty good for over 140,000 miles.
The check engine light can come on for a ton of different reasons.
Today I am going to walk you through my diagnostic process for check engine lights. At the start of the video, I did not know what was wrong with the Passat. You get to see exactly the point we find the issues.