The Volvo has no other codes; below you can find the read-out of the O2 sensor while running 2000 - 2200 rpm. The CAT was around 400-500 degrees Celsius (according to the sensors).
I`m wondering based on this data (as one sensor is in amp i/o voltage) if I can exclude the sensors as a problem?
Search found 2 matches
- 06 Aug 2019, 15:27
- Forum: C30, C70 2006+, S40 & V50 2004 ½ +
- Topic: Volvo S40 2.4i - O2 or Catalytic converter
- Replies: 2
- Views: 1956
- 05 Aug 2019, 18:04
- Forum: C30, C70 2006+, S40 & V50 2004 ½ +
- Topic: Volvo S40 2.4i - O2 or Catalytic converter
- Replies: 2
- Views: 1956
Volvo S40 2.4i - O2 or Catalytic converter
Recently (December) we bought our very own Volvo S40 from 2007. Now with 135.000 miles on it. After a long trip of 300 miles, and then turning on the AC, we got our very own check-engine light (P0420). After some consulting on various websites, we found multiple causes. Before wasting 2k on repairs ...