Quote:
Originally Posted by Xist
afr?
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Sorry, "air fuel ratio" ... when the engine goes into lean burn the AFR will lean-out. Normal is 14.7:1, air:fuel... lean will be quite a lot leaner, maybe 18:1 or more. Study the guidebook that came with your UG or print another online (free). The UG offers percentages lean or rich in its representation of AFR (not the actual ratio, though 0.0 will mean 14.7:1). I hope that helps.