Transform Engine Efficiency The Best Fuel Injector Cleaner Additives for Optimal MPG

I generally use top tier gas like Shell to keep the entire fuel system clean. For non GDI it also helps keep the valves clean too. Berryman Chem Tooler in the red white and blue can at AZ or O'Reillys for about $4 is the best cleaner there is on the market. Techron runs ... BG cautioned us not to use system cleaners except at 3-5 thousand mile intervals. Any more frequently and it could lead to thickening of the oil. Again, on some engines certain additives do more harm to injectors than good. Heat is the enemy of injectors. Gasoline cools them down ... I've read that MB recommends using gas containing additives (Chevron) but not to use extra additives that you put in the tank yourself. Save the cost of the Techron and just buy Chevron (or Texaco) premium. Both have techron. If you use a top grade fuel like Chevron, Texaco, ... Gumout Regane or Chevron Techron Plus are the best, according to the guys on the Bob Is The Oil Guy forums. I've had good luck with both of these products. Guys, looking for everyone's opinion on what's the best fuel injector cleaner from personal experiences. I have heard of 4 that keep getting ... But if you'll feel better using an injector cleaner go with Chevron Techron, most people 'in the know' agree that this stuff is one of the best, ... Once a year I treat my fuel with the Chevron Techron additive that treats the entire fuel system and not just the injectors.