I Seafoamed yesterday and it made a bit of an improvement on idle and throttle response. Used 1/3 of the can like the "destructions" said through the vacuum line into the intake. Smoked like crazy for at least 5-10 minutes. I'm gonna do the rest of the can this morning and let it sit a little longer this time, after it's sucked all the Seafoam out of the can. On my 2002 I unhooked the line that ran from the intake to the PCV from the PCV valve, and fed it through there