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P1289 Diagnostic Trouble Code Discussion for May 2009

Air Fuel Sensor (Bank 2 Sensor 1) Circuit Response Time

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Trouble Ticket Help Requests for DTC P1289
Help Request Posted
2009 Ford F-150 XLT 4.6L MIL Lamp on VIN: 1FTRW12849
P1289: Cyl. Head Temp Sensor Circuit Voltage High. I only have SI and Techauthority at work. After inspecting vehicle from both up top and underneath, I could not find any damaged wiring/connectors. I also could not locate any head temp sensors, are they under the intake? Also the a/c is inop and I'm wondering...
May 18, 2009