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GTR · 09-15-2012, 10:19 AM

Probably just runs in open loop mode, which is likely richer than closed loop. It's running a pre calibrated ratio of air/fuel, rather than using the o2 sensor to adjust air/fuel on the fly to achieve the best ratio as you drive.

09-15-2012, 10:19 AM	#4 (permalink)
GTR EcoModding Lurker Join Date: Jul 2012 Location: United States Posts: 22 Red VX - '93 Honda Civic VX Teal VX - '94 Honda Civic VX Godzilla - '09 Nissan GTR Premium Thanks: 1 Thanked 3 Times in 2 Posts	Probably just runs in open loop mode, which is likely richer than closed loop. It's running a pre calibrated ratio of air/fuel, rather than using the o2 sensor to adjust air/fuel on the fly to achieve the best ratio as you drive.