2007toyota4runners
New member
I have heard seafoam is supposed to be very good but it shouldn't be used very often
The Techron bottle says its good for 8-12 gallons so usually add it to the tank when its half full and run it down to E. Preferrably adding it just before a road trip so the constant flow and injector use helps scrub the pintle clean. So if you add it to a tank of gas, you want to rinse it down with fresh gas. The concentrated injector cleaner will degrade the filler neck if its allowed to sit there. So rinse it or wait to add when you are filling up. I use a little gas from the can in my garage (non-oiled gas) to chase it.
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