Thanks for the tip to try Techron.
I just realized as well, that last time I filled up (just 3 days ago) was at a gas station in a small town on the outskirts, the gas was "CENEX". I used premium, but perhaps the gas was not so good...
Aside from the CENEX I always buy Chevron at a local station.
Thanks again,
-Fritz
Try running a can of Techron fuel system cleaner through there. Dirty
> injectors will have a hard time getting good fuel atomization when the
> engine's cold. Once warmed up, the heat helps vaporize the fuel and covers
> the problem up somewhat. That's my guess anyway
>
> --
> -WJB
> > Hi. I have a 98 GS300, immaculate condition and all service done by
> > dealer. 51k on odometer. Car is always garaged and doesn't get
> > driven on a daily basis. Sometimes only 2-3 times per week. I just
> > noticed today, after it sat for about 2 days in garage, it started
> > right up but idled rough, like it was not firing on all cyllinders for
> > the first 5-10 seconds. Any idea what the cause of that is?
> >
> > Thanks,
> >
> > -Fritz