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post #1 of (permalink) Old 06-29-2014 Thread Starter
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How to add fuel injector cleaner?

Maybe a dumb question but How do you open the safety valve on the opening to the gas tank to add fuel injector cleaner or other additives? Do you need to wedge it open with the gas pump nozzle and pour around it?

2011 Mustang 3.7L V6 Premium ∙ MCA (203A)
Ingot Silver ∙ Charcoal Black ∙ Auto
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Koni STR.T shocks/struts ∙ Roush DUB springs
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