o2 sensor
#1
o2 sensor
quick question- if an 02 sensor is bad- will the engine run rich? what about if there is an exhaust leak before the snesor? will excess gass be pumped into engine? thanks- 1994 pick 3.0 v6
#2
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if there is a leak before the sensor, it will lean out what the sensor sees, causing the motor to run rich. if the sensor is bad, usually the computer defaults to a "one-size fits all" configuration which i believe is on the lean side.
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zz_denis
95.5-2004 Tacomas & 96-2002 4Runners
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09-06-2015 03:43 PM