Fueling is all coolant temp based trims. There are a good 3-4 tables in AEM's advanced start strategy One of them fires an initial pulse before cam sync is verified Another fires a set pulse after cranking RPM is satisfied (I have mine set to 40 RPM) Another injects a set pulse after start RPM is satisfied (mine set to 400 RPM) Another sets fueling decay once cranking RPM is satisfied (this is to avoid flooding it) The best strategy is to get it starting good on warm temps and then work your way backwards. Ideally if you can go in several stages (get starting dialed in at full temp, slightly under full temp, half temp, etc) you can start to extrapolate where fueling needs to be in the cooler temps
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