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P0135 Diagnostic Trouble Code Discussion for June 2008

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
2000 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP5526Y
P0135: 02 heater circuit. ... circuit codes on all 4 o2s yes all o2s very wierd so we checked all power and grounds at ecm connector also checked continuity on all o2 wires no problems found we have batt voltage at o2s and at e.v.r. solenoid. replaced all o2s and e.v.r solenoid cleared...
June 03, 2008