Thread: OT: Automobile Questions
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10-22-2012, 11:36 PM
Join Date: May 2012
Posts: 237
vCash: 500
Originally Posted by Agnostic View Post
My personal thinking is, if you want to be nice to your car, pump in ethanol free gas. It provides a slight BTU boost over 10 percent or 15 percent ethanol blends. Problem is Ethanol free gas is tough to find in 87 Octane (i.e. inexpensive) fuels here in Ontario . Some of the retailers like Shell offer it at their 94 Octane grades but I won't put that in my cars unless the manual tells me to.
I remember when I worked for bmw they reviewed a claim where we replaced four 02 sensors and both cats, engine light was on, poor fuel mileage was the only complaint, had 3 codes 2 pre cat 02 codes and 1 post cat 02 code, when the tech removed the exhaust system the 02's were caked with this white crystalized substance and same inside the cats. The owner later admitted to using ethanol only, bmw then released an internal bulletin advising dealers to 'recommend' to customers not to use ethanol.

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