Possible causes – Vacuum hoses damaged or pinched– Faulty Air Pump inoperative– Faulty Air Pump harness is open or shorted– Faulty Air Pump circuit poor electrical connection When is the obd code mean? The AIR system does not meet the expected flow rate during testing Symptoms – Engine Light ON (or Service Engine Soon Warning…
Tag: P0411
P0411 AUDI Secondary Air Injection System Incorrect Flow Detected
Possible causes – Faulty Vacuum hoses damaged– Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection– Air bypass solenoid leaking/blocked or stuck open/closed– Air diverter valve leaking/blocked or stuck open/closed When is the obd code mean? The secondary air injection system does not detect the…