Q5 Quattro V6-3.2L (CALB) (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor G39
Heated Oxygen Sensor G39
Special tools, testers and auxiliary items required
‹› Ring spanner 7-piece set for oxygen sensor (3337 )
Removing
-
Pull rear engine cover off - arrows -.
-
Free up fuel supply line - 4 - and hose connection - 1 - to the EVAP canister on the air filter housing and on the air guide tube.
-
Remove vacuum hose - 2 - from the air guide hose.
-
Remove air guide hose by loosening the hose clamp - 3 - and opening the clips - arrows -.
-
Remove lower section of the air filter housing. Refer to => [ Air Filter Housing, Lower Section ] See: Fuel Delivery and Air Induction/Air Cleaner
Housing/Service and Repair/Air Filter Housing, Lower Section.
-
Disconnect electrical connector - 4 - for the heated oxygen sensor (HO2S) (G39).