I guess code definitions would help lol.
po101 Mass or Volume Air flow circuit range /performance problem
p0102 Mass or Volume Air flow circuit low input
p0121 Throttle Position Sensor/Switch A Circuit range/performance problem.
P0502 Vehicle Speed Sensor Low Input
p0446 Evaporative Emission Control System vent control circuit malfunction.
I tried passing you another beer thru the computer but... yeah.