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Old 01-08-2013, 10:56 AM   #1770
Maxwell Power
Former Vendor
Member#: 190729
Join Date: Oct 2008
Chapter/Region: NWIC
Location: Marysville, WA

I suspect fuel temp is the one that is really affecting your afr. When you sit, fuel temp rises because sure isn't moving across your tank.
As air temp goes up, you should use less fuel because the air is less dense. Without iat comp you should run richer. Warm air also aids atomization which would compound the effect.

Now it's possible that it is pulling too much, but there are always other factors.
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