A5 Quattro Coupe V6-3.2L (CALA) (2009)
Oxygen Sensor: Service and Repair
Oxygen Sensor 1 after Catalytic Converter
Oxygen Sensor 1 after Catalytic Converter
Special tools, testers and auxiliary items required
‹› Ring spanner 7-piece set for oxygen sensor (3337)
Removing
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Pull rear engine cover off - arrows -.
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Free up fuel supply line - 4 - and hose connection - 1 - to EVAP canister on air filter housing and on air guide tube.
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Remove vacuum hose - 2 - from air guide hose.
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Remove air guide hose by loosening hose clamp - 3 - and opening clips - arrows -.
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Disconnect electrical connector - 5 - for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) (G130).