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Home >> Audi >> 2009 >> A4 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 75 (3.2L - Ignition/Glow Plug System - Engine Code(S): CALA (Sedan) (As Of 01.2014)) >> 28 Ignition/Glow Plug System >> Ignition System >> Knock Sensor, Removing And Installing >> Notes

Knock Sensor, Removing And Installing: Notes

WARNING: This page is about a different variant/trim than selected.
Fig 1: Electrical Connector Locations
GWWA28-10009Courtesy of AUDI OF AMERICA, LLC

1 - To the cylinder bank 1 fuel injectors

2 - Throttle Valve Control Module -J338-

3 - Knock Sensor 1 -G61-

4 - Heated Oxygen Sensor -G39-

5 - Oxygen Sensor after Three Way Catalytic Converter -G130-

Fig 2: Electrical Connector Locations
GWWA28-10020Courtesy of AUDI OF AMERICA, LLC

1 - Knock Sensor 2 -G66-

2 - Cylinder Bank 2 Fuel Injectors

2 - Fuel Pressure Sensor -G247-