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P1423 Diagnostic Trouble Code Discussion for May 2004

Fuel Tank Large Leak


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Trouble Ticket Help Requests for DTC P1423
Help Request Posted
2000 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAUED54BXY
P1423: sec air inj sys bank 1/ flow too low. Hi, This audi has had secondary air injection codes for some time. The system was tested for operation and pump runs, it was replaced because of noise. Both valves on the rear of the heads were removed, cleaned, tested. The vacuum hoses are all intact. The euc...
May 27, 2004
2000 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAUED54BXY
P1423: sec air inj sys bank 1/ flow too low. Hi, This audi has had secondary air injection codes for some time. The system was tested for operation and pump runs, it was replaced because of noise. Both valves on the rear of the heads were removed, cleaned, tested. The vacuum hoses are all intact. The euc...
May 27, 2004