06-17-2010, 10:25 AM
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#1 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: Greenville NC
Posts: 2,883
Drives: 370Z Sport
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Quote:
Originally Posted by JvKintheUSA
+1 for you JB1 - it worked. Shows me an A/F of 14.5. Is that good, bad or ugly?
Edit: I did a quick highway run and the A/F ration varies from 0 (downhill no accelerator pushed) to 17.5% at full throttle, but most of the time is around 14.5%. So I guess the 17.5% is quite lean. Not sure if that is normal.
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Normal A/F will remain in the 14.5 to 14.7 range as long as you're in closed loop (partial throttle mode). When you cross over to open loop (WOT), mixtures should go rich not lean. YOu can set the Scangauge to show the transition. If that 17.5 is accurate it is dangerously lean. Ideal full throttle A/F should be in the 12.5-13% range.
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