Feels a little sluggish. I just wanna try dumping in a bottle of something before I consider a repair
If the fuel system is working properly there is no need for any fuel additives. That's just a waste of money unless you use a cleaner every year or so.
Not enough info provided : However . Check engine air filter first. Fuel tank additive ,Chevron Techron.
The best fuel additives have already been added to your fuel at the refinery. Any of the after market additives are just ways to drain your wallet and are not needed or helpful.
