Quote:
Originally Posted by RojoCohete
I've had this discussion with my mechanic a few months back. He swears by putting Premium gas in his cars even though they do not require. He doesn't do it for the performance but because he says that it keeps his fuel injectors cleaner. I can see his point but I can't help but think that you can accomplish the same thing by adding a cleaner additive to the fuel.
He said that he has seen repairs done to fuel injection systems that could have been avoided if Premium gas was used.
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I think the point is using a "top tier" fuel more than a higher octane. Top tier fuels usually have a better additive / detergent pack than cheaper gas. For example the grocery stores near me aren't considered "top tier" but Costco is. Regardless I use a bottle of the Chevron Techron stuff every 3 or 4 months. Occasionally I'll put premium in if going on a long trip but I doubt it makes much difference in a 4Runner. Now my twin turbo F150 I had and my wife's turbo Lexus always got premium.
