icyice562

acura tl type s 2003 i had gotten a few parts from the junkyard shift solenoid and 3rd n 4th pressure switch ..the car drives good but then suddenly i get p0730 code and when i clean all filter and erase code it goes fine then p0780 come on..it hop back and forth to those 2 codes each time i fix 1..what can it be?