engine knock?
03-13-11, 12:09 PM
#31
Super Moderator
Read about the Top Tier Gas here: http://www.toptiergas.com/index.html
Top Tier was developed by several auto manufacturers to avoid just this problem.
I've found that Shell's V-Power to run the cleanest in my RX. The V-Power has five times the detergents required by Federal regulations. If I burn cheap gas, my RX smells of rotten eggs under moderate acceleration and it has been checked by Lexus and found to be running within specs. I avoid this smell completely when I use V-Power gas.
Shell V-Power info: http://www.shell.us/home/content/usa.../about_vpower/
Top Tier was developed by several auto manufacturers to avoid just this problem.
I've found that Shell's V-Power to run the cleanest in my RX. The V-Power has five times the detergents required by Federal regulations. If I burn cheap gas, my RX smells of rotten eggs under moderate acceleration and it has been checked by Lexus and found to be running within specs. I avoid this smell completely when I use V-Power gas.
Shell V-Power info: http://www.shell.us/home/content/usa.../about_vpower/
Presently, I like 4 for our RXs: Chevron, Sunoco, Texaco and Valero. I have my best gas mileage with that group and the fewest amount of check engine lights or other issues.
Shell seems to be better liked by our V8 Toyota 4Runner and a few friends with V8 engines in Toyo/Lex vehicles with V8 share the same feelings compared to even other gasolines I mentioned.
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