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January 25, 2022 at 3:32 pm #993489
Changed Fuel Pump, Fuel Filter, and 02 Sensor. No help. Car drives great from cold start, but as soon as it’s restarted or the ignition key is cycled, the partial throttle bucking immediately returns, arguably worse that before I started troubleshooting.
There IS a serious exhaust leak pre-02 sensor from some prior owner hacking, but it shouldn’t contribute to this.
I’m almost out of ideas here