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Old 03-30-2009, 03:06 PM   #3
Lil bastard
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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)

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