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Lil bastard · 03-30-2009, 03:06 PM

A bad O2 sensor can keep the car's dme in closed loop operation which keeps the mixture richer and you'll be down on power because the car selects pre-set fuel maps which do not vary since there's no sensor to send realtime conditions to the dme.

03-30-2009, 03:06 PM	#3
Lil bastard Registered User Join Date: Feb 2008 Location: Du Monde Posts: 2,199	A bad O2 sensor can keep the car's dme in closed loop operation which keeps the mixture richer and you'll be down on power because the car selects pre-set fuel maps which do not vary since there's no sensor to send realtime conditions to the dme. __________________ 1990 Porsche 964 Carrera 4 Cabriolet 1976 BMW 2002 1990 BMW 325is 1999 Porsche Boxster (gone, but not forgotten) http://i933.photobucket.com/albums/a...smiley-003.gif Never drive faster than your Guardian Angel can fly!