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P1157 Diagnostic Trouble Code Discussion for October 2010

Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High Voltage

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Trouble Ticket Help Requests for DTC P1157
Help Request Posted
1999 Ford Taurus SE 3.0L Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAFP53S2X
P1157: o2 sensor read lean bank 2 sensor 2. motor was replaced due to lack of oil & timing chain destruction. it was missing after instulation so replased plugs & wires disconnected battery. ran ok for 2 days & was back for miss & surge on exccel. missing on cylinders 1 2 & 3. rich o...
October 15, 2010