Hydraulic Valves, Actuators - Overview

Engine sensors: 

Fig 1: Engine Sensors Components Location

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Engine sensors

1. Actuators for intake and outlet camshaft control
2. Hall sender/phase sensor
3. High-pressure sensor for fuel system
4. Boost-pressure sensor
5. Temperature sensor in engine compartment
6. Exhaust temperature sensor for turbocharger (VTG)
7. Low-pressure sensor for fuel system

> Initial tightening 2.5 Nm (2 ftlb.)  > Torque angle 85°  > Tightening torque 10 Nm (7.5 ftlb.)