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      07-08-2013, 09:57 AM   #27
mrpcar
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Drives: 2012 X5M
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Quote:
Originally Posted by Sleeper View Post
Decent theory but I don't think it's accurate based on my experience. I exclusively use Shell V-Power which, in Canada, contains no ethanol. Other premium gasoline from other companies usually have the "contains up to 10% ethanol" moniker on the pump, but Shell is for sure ethanol free.

I guess that leaves a couple other potential causes - the detergents the companies are putting in the fuel that act as supposed cleaning agents are causing the injectors to get gummed up; or, the injectors themselves are a bad design. I'm going with the latter.
Interesting to know, I guess I am going back to using Costco gas then... Been pumping more expensive Chevron just to prevent this issue.

So does this also mean using fuel injector cleaner in each tank of gas once a month is a bad idea?

On a recent dealer visit when I discussed the injector issues the service adviser suggested that I should get the fuel injection cleaning service that they offer....
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