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P1158 Diagnostic Trouble Code Discussion for December 2004

Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage During Decel Fuel Cutoff

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Trouble Ticket Help Requests for DTC P1158
Help Request Posted
2000 Ford Expedition XLT 5.4L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FMEN15L2Y
P1158: ho2 rich. cust. complaint of engine miss .replace two coils .runs rich at all times. found one new inj. stuck open replace all four on that side. engine rich,shakes like engine ignition prob. all new inj. and airflow meter is ok. coolant,air,and head temp.is good. new p...
December 07, 2004