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    Volvo S40 - How often should the 02 sensor switch # Archived Message

    Posted by george brockis on March 12, 2007, 11:28 pm

    Just a quick one chaps.I know you should get switching of the 02 sensor once a second on average,is that only on cruise,what about idle,s40 p reg volvo in today for missfire and poor performance 1 sec on cruise but nearly 4 seconds on idle ,Too long or ok. Thanks .GEORGE

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