1998 4Runner 3.4L w/TRD Supercharger
#42
Contributing Member
I usually put about 1/3 a can in at a time, let it sit for half an hour or so. Then restart it and drive it till it stops smoking (or close to it). Then repeat a few more times till you have as little smoke as possible. More smoke = more stuff being cleaned out. So once the smoke gets lighter means it is getting cleaner.
#46
Contributing Member
Also you can use the throttle to keep the engine running till you get ~1/3 a can in there. If you don't have enough in the engine it won't do much good.
#48
Contributing Member
I like to drive it around for a day or so after the final treatment to get rid of everything (can take that long) and then change the oil as some seafoam does tend to get in there.
#50
Contributing Member
I never recommend putting it in the oil, it works great in the gas and intake since there is nothing it can really hurt there but there is a lot it could possibly hurt in the oil so i prefer to not do that.
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