Mystery Malibu! (Intermittent Stumble & Stall)

This 2011 Chevy Malibu has been to 4 other shops, including the DEALER for this intermittent stalling issue. The logical diagnostic approach leads to an unexpected find... TS100 CORDLESS SOLDERING IRON: https://www.amazon.com/dp/B07SQDZ9SV/?ref=exp_pinehollowautodiagnostics_dp_vv_d Enjoy! Ivan