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timspu timspu is offline
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Join Date: Jul 2012
Location: Devon. UK
Posts: 218
Garage
My car is a little different as i don"t have a Lambda sensor.
My understanding is that if you set the AFR with air pump disconnected this will set your base line CO level. When the air pump is connected the Lambda sensor and ECU will change your fuelling to the correct air fuel ratio 14.7 or so. I believe the Lambda only controls the fueling up to 3K rpm then it runs off the metering plate for wide open throttle.
Old 04-08-2013, 07:06 AM
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