Open Loop vs Closed Loop
#11
06-06-2010, 10:24 PM
The range of accuracy for NB O2 sensors is .400v to .800v, which translates into 14.2-15.0:1 AFR. Once the fuel ratio is outside these limits, the accuracy of measurement rapidly deteriorates. This is why NB sensors are most-often used as a 14.7:1 AFR voltage switch.
#12
06-06-2010, 10:27 PM
The XiED works great for cooling a motor a bit (fattens up the mix across the board). I ran them for months. But I wanted to get rid of an annoying surge and decel pop, which the XiED did nothing for. Its worth only a few points A/F WOT but sometimes that is all you need.
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