Old fuel has been sitting for over a year?

1998 HONDA CIVIC
130,000 MILES • 1.6L • 4 CYL • TURBO • 2WD • MANUAL
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RHEM198
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The car is currently running on E85 fuel, it's been sitting for over a year, save there's currently half a tank full. Gave her a full tune up (plugs, wires, distributor cap, oil) question is do I leave the old fuel and mix it with new fuel, or should I drain the tank and fill her with all new fuel?
May 30, 2023 at 1:04 PM
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STRAILER
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It is best to drain the old fuel out before installing new fuel to be safe, here is a video on how to siphon the tank to help you with your car. Also, I would change out the fuel filter.

https://youtu.be/Q5MH2gnyFH0

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May 30, 2023 at 7:28 PM
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