o2 sensor
09-08-2005, 06:51 PM
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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
09-08-2005, 08:40 PM
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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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