P1423 AUDI – Bank 1 Secondary Air Injection System Output Too Small

P1423 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1423 AUDI Possible Causes

Faulty AIR Pump,AIR Pump harness is open or shorted,AIR Pump circuit poor electrical connection

P1423 AUDI Description

Bank 1 Secondary Air Injection System Output Too Small is the generic description for the P1423 Audi code, but the manufacturer may have a different description. Currently we have no further information abouth the P1423 Audi OBDII code.