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Re: Running lean cold intermittently?
Posted to Emissions Forum on 9/14/2018

I saw a bunch of Toyota Corollas, with the plastic intakes do this sort of thing. Dead cold over nite, the o-ring "gasket" between the head & intake would shrink enough to suck air. Warm up for a minute and all was fine. Totally different car I realize, but f... Login to read more.