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Home >> Volkswagen >> 2012 >> Golf (5K1) L5-2.5L (CBTA) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Locations >> Exhaust System Overview
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Exhaust System Overview







Engine Management System

Exhaust System Overview


2.0L CCTA / CBFA => [ 2.0L CCTA / CBFA ]

2.0L CRZA => [ 2.0L CRZA ]

2.0L CJAA TDI => [ 2.0L CJAA TDI ]

2.5L CBTA / CBUA => [ 2.5L CBTA / CBUA ]



2.0L CCTA / CBFA







1 - Heated Oxygen Sensor (HO2S) -G39-
Integrated with Oxygen Sensor (O2S) Heater -Z19- - on some options
Bank 1 sensor 1
2.0L CJAA TDI location
2.5L CBTA and CBUA location

3 - Heated Oxygen Sensor (HO2S) 2 -G108-
With engine code CBFA
Bank 1 sensor 2

4 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
Bank 1 sensor 3
2.0L CJAA TDI location
2.5L CBTA and CBUA location



2.0L CRZA







2 - Heated oxygen sensor -G39-

4 - Oxygen sensor after three way catalytic converter -G130-

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5 - Exhaust door valve 1 -N321-
Located in the left rear wheel arch.


2.0L CJAA TDI







8 - Heated Oxygen Sensor (HO2S) -G39-
2.0L CJAA TDI shown
2.5L CBTA and CBUA location

16 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
2.0L CJAA TDI shown
2.5L CBTA and CBUA location



2.5L CBTA / CBUA





4 - Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G465-
2.5L CBUA shown

9 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
2.5L CBUA shown

2.5L CBTA / CBUA continued





7 - Heated Oxygen Sensor (HO2S) -G39-
2.5L CBUA shown