Easy question about o2 sensor
06-06-2010, 08:54 PM
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Easy question about o2 sensor
Alright I have a really simple question, which sensor mainly controls air/fuel? Is it the one on the cat or the one on the header or both?
06-06-2010, 08:58 PM
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Re: Easy question about o2 sensor
The Primary O2 sensor is responsible for providing the ECU with fuel feedback. The Secondary O2 provides feedback of Catalytic Converter operation.
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