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Old 05-28-2014, 07:23 PM
97 SL320 97 SL320 is offline
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Join Date: Jan 2012
Posts: 7,534
Quote:
Originally Posted by BnObob View Post
2. Something in this gov't mandated gasohol (I try to get 'real' gasoline, but sometimes....) like the corn whiskey ?

What can I do to clean 100% and PREVENT the black stuff from returning?:

I've noticed this also and only in the past few years since 10% Ethanol was mandated, on cars I've owned for 20 years. It has to be from Ethanol fuel as nothing else has changed.

Bleach water works to clean, spray mold remover might keep it away.
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