not sure about the clio, but in all the vehicles i am familiar with if the inlet air is colder this will make the ECU inject slightly more fuel to compensate for denser charge, but wont change ignition timing
usually ignition maps are set by rpm/MAP or perhaps rpm/throttle
Quote: Originally posted by Taxi Two on 09 March 2004
<TABLE id=HB_Mail_Container height="100%" cellSpacing=0 cellPadding=0 width="100%" border=0 UNSELECTABLE="on"><TBODY><TR height="100%" UNSELECTABLE="on" width="100%"><TD id=HB_Focus_Element vAlign=top width="100%" background="" height=250 UNSELECTABLE="off">The ECU will advance the timing itself until knock is detected. If you cheat the ECU the temperature of the intake air, it will cause knock and damage and engine.</TD></TR><TR UNSELECTABLE="on" hb_tag="1"><TD style="FONT-SIZE: 1pt" height=1 UNSELECTABLE="on"><DIV id=hotbar_promo></TD></TR></TBODY></TABLE><BLOCKQUOTE id=f1fa81e2>I think it wil[/QUOTE]