My next guess is hook up a scan tool and watch it when it stalls. Also, just clean the throttle body/IAC passages anyway
lol doesn't hurt to do it!
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1986 Honda VFR750 - 89.3HP to the wheel
2000 Trans Am M6 - Mods: Yes.
2018 Durango R/T - AFE Intake, JLT Catch Can, Stainless Works Catback, Vinyl Dodge Racing Stripes
2003 Toyota Matrix XRS M6 - Lol