The problem is identical with TPS plugged in or unplugged.
I am almost certain it is not the TPS, although that hasn't stopped me from keeping on checking it over and over again.
I feel I bent a wire going to something and it died of old age, but I have no idea what it could be.
I used a DVM on the ECU plugs checking against the FSM at idle and with ignition on but engine off. Everything there seems ok.
It runs the same on just the leading coil.
It has to be ignition cut IMO. If it was too much fuel it would be less like an on/off switch.
I have no idea what would cut ignition based on throttle in put though.
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