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P1423 Diagnostic Trouble Code Discussion for October 2011

Fuel Tank Large Leak


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Trouble Ticket Help Requests for DTC P1423
Help Request Posted
2000 Audi A4 Quattro 2.8L MIL Lamp on VIN: WAUDH28D4Y
P1423: AIR injection no flow bank 1. Thanks in advance for the help. We have replaced the the combination valve on the affected bank (bank 1). Now when I activate the pump and open the valve manually with a vacuum pump, I cant feel any air out the tail pipe. When O do this on bank 2 it blows out ...
October 07, 2011
2000 Audi A4 Quattro 2.8L MIL Lamp on VIN: WAUDH28D4Y
P1423: AIR injection no flow bank 1. Thanks in advance for the help. We have replaced the the combination valve on the affected bank (bank 1). Now when I activate the pump and open the valve manually with a vacuum pump, I cant feel any air out the tail pipe. When O do this on bank 2 it blows out ...
October 07, 2011