Cayenne S (9PA) V8-4.5L (2003)
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1. Remove starter catalyst.
2. Carefully unscrew oxygen sensors on starter catalyst using oxygen sensor wrench 97.
Removing
Removing And Installing Oxygen Sensors Behind Catalytic Converter
Porsche Workshop Service and Repair Manuals
Oxygen Sensor In Front of Catalytic Converter|Page 1189 >
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