× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1423 Diagnostic Trouble Code Discussion for October 2011

Fuel Tank Large Leak

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

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