Petrol Diagnostics: Vauxhall Corsa X12XE 1999 - MOT failure, high CO at idle

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Vauxhall Corsa X12XE 1999 - MOT failure, high CO at idle Archived Message
Posted by Peter Holland on October 13, 2006, 11:55 am
Failed mot on high CO @ idle. Fast idle test ok.
Readings as follows.
CO 5.05%
HC 199
CO2 11.30%
O2 0.85%
Lambda 0.89
Airlow 10 kg/h (This appears low but makes no diffence if running at 16 kg/h)
Temp 100 deg c
Feul pressure 3.2 bar Vacuum 20"mg
Idle - yes
02 sensor 850mV
02 integrator 102
02 adaption at idle 103
No misfire and engine runs fine.
Any ideas ?

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