The diagnosis of front and rear oxygen sensors CAN prove difficult since the operation of the rear sensor...
Volvo technical service bulletin 2515 for 2001-2003 Volvo S40 and 2001-2003 Volvo V40.
- Bulletin number
- 2515
- Component
- Electrical system
- Summary
- The diagnosis of front and rear oxygen sensors can prove difficult since the operation of the rear sensor can influence the operation of the front sensor. The sensors share common sources of potential faults but also have unique fault sources that may trigger diagnostic trouble code (dtc) engine control module (ECM) 28 or 29. Tt
Owners of these vehicles have filed 19 complaints in the electrical category.
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