[Jimmy Willis]

Sputtering comes from poor gas flow or settings, Check for leaks at 20 CFH argon, My PowerMIG 350 sputtered too, Clean steel with alcohol, Set wire speed to 240 ipm, Use 20V for stability, Tighten connections, Ensure proper ground clamp.

[Jimmy Willis]

Check wire speed, my Millermatic welds smooth at 250 IPM.

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