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What's the best(safest) fuel injector cleaner for the 6.2? What are your thoughts about Seafoam? I want to use a safe product that won't harm the fuel system.
Ive used Valvoline complete fuel sys cleaner with excellent results. I bought a Ranger a few years back that was running rough. After finding nothing wrong with it I fig it had to be injectors. I used 2 bottles in 2 tanks and the problem went away. Its all I use now because i know it works.
