I had check engine light on my S60.
He told that there is a problem with the front and rear O2 sensors which need to be replaced, however there might be more issues after that all as well, so changing the O2 sensors might not remove the check engine light.
I had given the car to volvo service centre for engineer's report.
When i got the car back, the check engine light has never come on since,
Can someone explain this attached report to me?
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