Naw it sounds like the IACV is stuck open letting in gobs of air, but the fuel cut is keeping the engine from injecting extra fuel so you wind up with a lope. (verify by manually adjusting the TPS such that the engine thinks the throttle valve is open some, the engine should sudden raise in RPM significantly and sound somewhat normal except high idle) Just to clarify, remove the tps and adjust it by hand while is is plugged in. Or unplug the TPS on the engine, and plug in an extra tps you have laying around.
Change the IACV it should be throwing a code.
This is what it would be on an SR20, KA I dont have much experience usually yank those out right away hehe.
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