2007 Cadillac CTS Repair Question
Topics covered: Check engine light, Engine, Exhaust.
Mileage: 75,000 miles.
Mileage: 75,000 miles.
Asked on March 1, 2012
Found error code P0430, how many O2 sensors are installed on this and where is HO2S sensor?
Check engine light on steady, seems to be running fine have noticed slight change in fuel economy, this just started 2 days ago but have not had a chance to look into it deeper
Answer
Replied on March 1, 2012
There are 4 all on the exhaust before the converter