You can saffle it,but the best way if it is bad gas,is to drop tank and clean it,that way you can clean the sock on the fuel pump all so.
also purge the injector rail. take off test valve, schroeder valve looks like a tire valve http://www.ehow.com/how_5144292_bleed-fuel-line.html ... ... http://www.ehow.com/how_8291909_bleed-fuel-system.html
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