F 150 4WD V8-5.4L Flex Fuel (2008)
2. NOTE: If necessary, lubricate the heated oxygen sensor (HO2S) with penetrating and lock lubricant to assist in removal
Using the special tool, remove the HO2S.
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To install, tighten to 46 Nm (34 lb-ft).
3. To install, reverse the removal procedure.
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Apply anti-seize to the threads of the HO2S.