Subaru Forester 1998-05

Heated Oxygen Sensor (H02S)

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The 1998-2002 vehicles the front (A/F) oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the rear catalytic converter. The 2003-2005 vehicles with SOHC engine the front oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the front catalytic converter. The 2004-2005 DOHC engine the front oxygen sensor is located in the front section of the exhaust system, just past the crossover pipe. The rear oxygen sensor is located in the front section of the rear catalytic converter.

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Fig. Oxygen sensor location-Forester 1998-2002 2.5L SOHC engine

The 1998-2002 vehicles the front (A/F) oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the rear catalytic converter. The 2003-2005 vehicles with SOHC engine the front oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the front catalytic converter. The 2004-2005 DOHC engine the front oxygen sensor is located in the front section of the exhaust system, just past the crossover pipe. The rear oxygen sensor is located in the front section of the rear catalytic converter.

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Fig. Oxygen sensor location-Forester 2003-2004 2.5L SOHC engine



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Fig. Oxygen sensor location-Forester 2004-2005 2.5L DOHC engine

The 1998-2002 vehicles the front (A/F) oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the rear catalytic converter. The 2003-2005 vehicles with SOHC engine the front oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the front catalytic converter. The 2004-2005 DOHC engine the front oxygen sensor is located in the front section of the exhaust system, just past the crossover pipe. The rear oxygen sensor is located in the front section of the rear catalytic converter.

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Fig. Oxygen sensor location-Forester 2005 2.5L SOHC engine



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Fig. Oxygen sensor location-Forester 2004-2005 2.5L DOHC engine

 
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