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Home >> Subaru >> 1991 >> Legacy LS, 4D Wagon, AWD, Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Oxygen (O2) Sensor >> Removal

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Oxygen (O2) Sensor: Removal

If O2 sensor is difficult to remove, use rust penetrant to avoid damaging exhaust threads.

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