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P1128 Diagnostic Trouble Code Discussion for August 2004

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: VWWMA23B1Y
P1128: O2 sensor - LT fuel trim too lean. ... code P1128, customer also requested tune-up but said runs good. Scanned and road tested. LT fuel trim was with in 10% at all times. Cleared codes and road tested. (did not ck freeze frame). Inspected intake and turbo hoses for cracks and leaks Car came bac...
August 23, 2004