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    Posted by Peter Holland on October 14, 2006, 7:21 am, in reply to "Re: Vauxhall Corsa X12XE 1999 emissions fault"

    Morning all. Yes it stays closed loop even at idle which is a little strange. I don't know why it won't post a fault code. The reason I haven't condemned the lambda sensor yet is that its readings are consistent with the gas readings and it switches nicely when the rev's are brought up. I've scoped it as well to double check. If I pull the servo vacuum pipe off, mixture goes lean and lambda voltage drops back down. Coolant temp range is correct. I will look at breathers, earths etc today.

    Message Thread:

    • Vauxhall Corsa X12XE 1999 - MOT failure, high CO at idle - Peter Holland October 13, 2006, 11:55 am
      • replies - Dave Harney October 13, 2006, 1:50 pm
        • replies - Peter Holland October 13, 2006, 8:02 pm
          • replies - Roy Ritchie October 13, 2006, 8:46 pm
            • replies - Dave Harney October 13, 2006, 9:04 pm
              • replies - john sartain October 14, 2006, 6:54 am
                • replies - Peter Holland October 14, 2006, 7:21 am
          • replies - Chris Angus October 14, 2006, 9:31 am
            • replies - Tony Gould October 14, 2006, 10:30 am
              • replies - NigelBennett October 14, 2006, 10:48 am
                • replies - Peter Holland October 14, 2006, 2:40 pm
                  • replies - john sartain October 15, 2006, 8:20 am
            • replies - Andrew Moorey October 15, 2006, 8:16 am
              • fixed - Peter Holland October 17, 2006, 7:20 am

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