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It is actually pretty straightforward. Throttle body actuator's malfunction affects throttle openings and can definitely cause misfires if not enough oxygen is allowed to come in when needed.
I may have confused you,
I don't have a code for throttle actuator. only Emission Light with the code 27aa O2 sensor limit pre-cat on bank 1.
does this code a precursor to the failure of actuator?
Last edited by kei03174; 12th February 2018 at 07:24 PM.