- 06-27-12 11:55 PM #1Cadillac Owners Member
- Automobile(s): 2005 sts4 1SG v8 perf pakge
- Join Date
- Dec 2009
catalytic converter 2005 sts4 v8
i got my cady back from the dealer , the changed both converter and both oxygen sensors .she is running so fine now thank you GM.