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P1128 Diagnostic Trouble Code Discussion for May 2008

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2001 Audi A4 Quattro Avant 1.8L MIL Lamp on VIN: WAUKC68DX1
P1128: bank 1 system to lean. ... OBD emissions test to find mil light on. Scan pcm to find P1479 brake boost vacuum system mechanical malfuntion intermittently. PO411 Secondary air injection system faulty flow and last PO011 Camshaft adjustment malfuntion intermittent. Clear trouble codes...
May 31, 2008