The P0730 from the tranny is no big deal yet, probably just a precursor for a soon be fail PNP switch. It has no bearing on the engine running.
The other two are a problem. The system running rich is probably a vacuum leak and fouling the spark plugs. The throttle position sensor could be in fact faulty, but is probably just dirty.
The best bet is to clear the codes and see which ones come back or will not delete. The TPS will shut down the engine when reading high.
EDIT: Try using the diagnostic boxes on the passenger fender for more specific fault codes.
Klaus
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My name is Klaus and I am a V ♂ lv ♂ holic
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