My best first bar... - Toyota Yaris Forums

Yaris Hilton · 08-08-2009, 09:12 AM

I think it's a bad idea to "compete" with ourselves or others for "the best first bar." That requires putting as much gas in as possible, and when it warms and expands the overflow saturates the carbon in the evaporative emissions canisters, leading to added air pollution and likely eventually requiring an expensive replacement. In the past I've also had problems with tank filler and vent hoses cracking and leaking large amounts of fuel when I was topping to the cap.

As noted, Toyota says to never top up the tank, but to stop when the pump stops. I bend the rules slightly to then run the fuel at the lowest pump speed setting till it clicks off once more, trying for a more consistent fill, but there's still plenty of air space left in the top of the tank. I'm beginning to think it makes little difference in the consistency, anyway.

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08-08-2009, 09:12 AM	#16
Yaris Hilton Half a Bubble Off Plumb Drives: 2009 Yaris Sedan Join Date: Mar 2009 Location: Bristol, Tennessee, USA Posts: 1,593	I think it's a bad idea to "compete" with ourselves or others for "the best first bar." That requires putting as much gas in as possible, and when it warms and expands the overflow saturates the carbon in the evaporative emissions canisters, leading to added air pollution and likely eventually requiring an expensive replacement. In the past I've also had problems with tank filler and vent hoses cracking and leaking large amounts of fuel when I was topping to the cap. As noted, Toyota says to never top up the tank, but to stop when the pump stops. I bend the rules slightly to then run the fuel at the lowest pump speed setting till it clicks off once more, trying for a more consistent fill, but there's still plenty of air space left in the top of the tank. I'm beginning to think it makes little difference in the consistency, anyway.