Threw a SES last night. Number of codes - Pedal Position Sensor Position 1. Brake/throttle pedal positions not possible. MAF and both pre-CAT O2 sensors codes.
I reset the codes and am waiting to see if they come up again.
I remember somebody (But, of course, cannot find) posting about cleaning the throttle sensor with electrical contact cleaner and if it persists replacing the throttle pedal unit.
I'm guessing the MAF might be dirty and cleaning it may take care of the MAF/O2 codes?

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