u/EndClear1624

2001 Buick Century. Codes: P0122(TP Sensor Circuit Low Voltage), P0128(Engine coolant temperature below thermostat regulating temperature), P0420(Catalyst System Low Efficiency, P0463(Fuel level sensor circuit high voltage), P0730(Incorrect Gear Ratio), P1122(TP Sensor Circuit Intermittent Low voltage), P1189(Engine low pressure EOP Switch circuit), P1811(Maximum adaptive &long term shift

Never been to a mechanic before. But I want to make sure my car doesn't have problems. Do I just say "I want to give my car a check up" like its a person? Do I say "run a diagnostic". What are the specific words I say?