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P1128 Diagnostic Trouble Code Discussion for August 2008

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2001 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWPD63B71
P1128: bk 1 long term fuel trim system lean. ... booster malfunction int.). brakes feel fine , no compliant from customer except light on. also (p1128 =bk1 long term fuel trim ,system too lean, ) i smoked the ex system no leaks .i smoked the vac system and found a leak ...
August 13, 2008