× 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 December 2007

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
1996 BMW 328i 2.8L MIL Lamp on VIN: WBACD4322T
P1423: Secondary air system. We have searched the forums and many posts point to a bad pump and valves. The funny part is my pump runs sometimes and I can jump the relay terminals and the pump will run fine. It appears the ECM is not energizing the relay. From what we could find the pump ...
December 11, 2007
2000 Audi A6 Quattro 2.8L MIL Lamp on VIN: WAUEH24B2Y
P1423: bank 1 low secondary flow. I havent run into alot of these cars and one thing i know for sure is there is alot of moisture in the vent hose i think that the valves for the secondary emissions system are freezing shut but not sure...there are no other oil leaks ...just would like some ot...
December 17, 2007