This may be a stupid question, but I'll ask anyway. If my O2 sensors are malfunctioning (CEL code 21), will my gas mileage be adversely affected? Any help is appreciated.
-Antonhttp://anton_eclipse.tripod.com/
OMG yes, your gas mileage should absolutely suck with a malfunctioning O2 sensor. Your spark plugs will probably foul as well.
_____________________________________Jason ESi-T04' BMW 325Ci91' Nissan 240SX98' Eagle Talon ESi (sold)
Thanks for the heads up. That explains ALOT!