[MrBonus]

Originally Posted by uwanna

Be aware that there is Techron and then there is TECHRON. Meaning
the cheaper bottle of Techron fuel injector cleaner is pretty much what
you are already getting in "Top Tier Gasoline". The potent Techron that
you want is Techron Complete Fuel System Cleaner or sometimes called Concentrate. It's a lot more expensive, but is the one that works.
Just a heads up so you don't buy the cheaper "fuel injector cleaner" one, expecting great results.

That's the one I got; found it at Pep Boys.