P1421 AUDI – Secondary Air Injection Valve Circuit Short To Ground

P1421 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1421 AUDI Possible Causes

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

P1421 AUDI Description

Secondary Air Injection Valve Circuit Short To Ground is the generic description for the P1421 Audi code, but the manufacturer may have a different description. Currently we have no further information abouth the P1421 Audi OBDII code.