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Re: Oxygen sensor, N80, gassy start and when hot & high?


 

On Fri, Feb 17, 2023 at 08:29 PM, FlashVan wrote:
when I opened the gas cap it began to ¡°boil¡± and gas actually spewed out of the filler tube
That's a common sign that the N-80 valve (or related tubing) isn't working.? The whole purpose of the valve is to allow the fumes to be sucked into the engine to be burned after the engine warms up.
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Duane
05HD Rialta
220K Miles

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