2000 Audi A2 THROTLE POSITION SENSORR

Engine Performance problem
2000 Audi A2 All Wheel Drive Manual 60000 miles

HI,

I KEEP GETTING THE DIAGNOPSTIV CODE: P0122 AND P0322. COULD YOU PLEASE ADVICE ON ALL THE POSSIBLE ACTIONS TO TAKE? I BOUGHT A NEW THROTLE BODY/UNIT AND ALSO CHANGED THE THROTLE SENSOR, BUT NO JOY.

THANK YOU

DEIDRE