Glow Plug, Camshaft Position Sensor And Engine Speed Sensor Overview

Fig 1: Glow Plug, Camshaft Position Sensor, Engine Speed Sensor Overview

Courtesy of AUDI OF AMERICA, LLC

1. Sensor Wheel
   • For the engine speed sensor -G28-
   • Removing and installing, refer to ENGINE SPEED SENSOR -G28-, REMOVING AND INSTALLING
2. Glow Plug

   Cylinder bank 1 (right):

   • Glow Plug 1 -Q10-, Glow Plug 2 -Q11-, Glow Plug 3 -Q12-
   • Combustion Chamber Pressure Sensor 2 -G678- may be installed in cylinder 2 depending on the exhaust gas standards.

     Cylinder bank 2 (left):

   • Glow Plug 4 -Q13-, Glow Plug 5 -Q14-, Glow Plug 6 -Q15-
   • Removing and installing, refer to GLOW PLUGS .
   • 12 Nm
3. Connector
4. Bolt
   • 9 Nm
5. Camshaft Position (CMP) Sensor -G40-
   • Removing and installing, refer to CAMSHAFT POSITION (CMP) SENSOR -G40- .
6. O-ring
   • Replace
7. Engine Speed (RPM) Sensor -G28-
   • Removing and installing, refer to ENGINE SPEED (RPM) SENSOR -G28- .
8. Bolt
   • 9 Nm

Fig 2: Glow Plug Versions

Courtesy of AUDI OF AMERICA, LLC

1 - Glow plug with combustion chamber pressure sensor (installed only in cylinder 2)

2 - Glow plug without combustion chamber pressure sensor