Impreza WRX F4-2.0L DOHC Turbo (2004)
Manifold Pressure/Vacuum Sensor: Service and Repair
Pressure Sensor
REMOVAL
1. Disconnect the battery ground cable.
2. Remove the idle air control solenoid valve.
3. Disconnect the connectors from pressure sensor.
4. Remove the pressure sensor from the throttle body.
INSTALLATION
Install in the reverse order of removal.
NOTE: Replace the O-ring for the pressure sensor with new ones.
Tightening torque: 1.6 N.m (0.16 kgf-m, 1.2 ft-lb)
