With the O2 sensor unplugged, the "computer" that controlls the frequency valve settles on a "slightly rich" mixture. You can adjust the fuelling down to compensate, or taking it further, lose the frequency valve altogether (not sure how though) There's a long explanation of this system in the DCO newsletters downloadable off DMCnews. Martin Daniel Willis wrote: > John, > > Apologies if I'm being simple but how is a car converted to lambda free? I'm > far from being a mechanic (though if something is broken I can generally fix > it) but I don't really understand changing systems. Is it an easy mod or was > it involved? > > Go on.. someone point me to an obvious message/web site I've read a thousand > times on this! ;o) > > Dan > Vin#5641 - Maddie - www.projectmadness.com > > >From: "John" <john_geuley@xxxx> > >Reply-To: doc-uk@xxxxxxxxxxxxxxx > >To: doc-uk@xxxxxxxxxxxxxxx > >Subject: [doc] Oxygen Sensor For Sale > >Date: Wed, 07 Nov 2001 11:29:20 -0000 > > > >Hi, > > > > If anyone needs a brand new oxygen sensor then I have one for > > sale.. > > > > I ordered it 2 months ago from Speciality Automotive but then > > subsequently upgraded my car to a free flow (Lambda free) system. > > > > Please e-mail directly if interested. > > > >Regards > > > > John G. > > Bristol. > > > > > > > >DOC UK Website: www.delorean.co.uk > >Unsubscribe: doc-uk-unsubscribe@xxxxxxxxxxx > >** Unless otherwise stated, all messages posted to the group are assumed > >public and may be printed in the club magazine ** > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > > > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp > > > DOC UK Website: www.delorean.co.uk > Unsubscribe: doc-uk-unsubscribe@xxxxxxxxxxx > ** Unless otherwise stated, all messages posted to the group are assumed public and may be printed in the club magazine ** > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/