P1423 Diagnostic Trouble Code Discussion for May 2004
Fuel Tank Large Leak
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| 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 |
