2000 Cadillac Sts Misfire. Search by price, view certified pre-owned STSs, filter by color and much more. Cadillac STS Diagnostics The problem was bad rings causing the misfire.
I have replaced the spark plug in cylinder one, however the check engine light is still on, and it's still experiencing the same symptoms. Features and major options should be mentioned here. Certain vehicles come in different trim levels or body styles.
Also, some suggestions on any other possible causes for the misfire code would be nice.
Features and major options should be mentioned here.