My 2000 year S80 2.9 at idle first threatens to stall then piles the revs on. In addition I get an occasional dashboard message stating that an emissions service is required. I have checked the emissions and they are OK. Could the Lambda probe be faulty and is it easy to find and remove on the 2.9? Any other ideas gratefully received.
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Does the car only do this at start up or at other times when the car is idle (say at traffic lights when the car is warm?)
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Thank you, I should have said it occurs when the car has warmed up, traffic lights is a good example.
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