Quote:
Originally Posted by Krusher
The reason for not overfilling the tank after the auto-shutoff is due to getting liquid into your EVAP canister(s)... Those are expensive and only suppose to see vapor... but it's like a 10% chance you'll end up screwing the canister up one fill-up... not a big risk and you won't see it happen very often.
I don't fill beyond the auto-shutoff....
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The gas cap says "Tighten" 1-click (not "fill" to 1-click) because if you don't click it the fuel tank pressure sensor voltage will read high and the PCM will assume that someone is driving around with a loosened or removed gas cap.