Vauxhall Vectra B facelift (1999 - 2002) - 00 1.8i engine 'hunting'

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Mon 26 Oct 2009 15:20
00 1.8i engine 'hunting' - isisalar
16v model
Recently aquired this car and it 'hunts' quite badly whilst warming up but seems to tickover ok when warm.My initial thought was that the CO needed adjusting but I've been told that it's all controlled by the ECU and it was suggested that the EGR valve might need cleaning.
The battery (I think) needs replacing could that be a factor?
Can anyone tell me where the EGR valve is and how do I clean it?
If I got it nice and hot before taking it in for an mot would it give a passable reading?
Car drives fine apart from the variable tickover.
Look forward to your replies
Thanks.
Paul
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Wed 28 Oct 2009 14:03
00 1.8i engine 'hunting' - macavity
EGR exhaust gas recirculation .

These people might have an opinion:www.bba-reman.com
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Wed 28 Oct 2009 17:58
00 1.8i engine 'hunting' - steve_earwig
Do petrol cars have EGRs? If it does the same thing if you try to hold it at 2k rpm with the throttle head for the lambda probe.
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