GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 Engine 🢒 Engine Controls - 2.0L (L34 GMDAT) 🢒 Throttle Position Sensor Replacement

Throttle Position Sensor Replacement wo/Throttle Actuator Control

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1256153 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the air intake tube and resonator.
  3. Disconnect the throttle position (TP) sensor connector.
  4. Remove the TP sensor retaining bolts and the TP sensor.

Installation Procedure

    Object Number: 1256154 Size: SH
  1. With the throttle valve closed, position the TP sensor on the throttle shaft. Align the TP sensor with the bolt holes.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the TP sensor retaining bolts.

    3. Tighten
    Tighten the throttle position sensor retaining bolts to 2 N·m (18 lb in).

  3. Connect the TP sensor connector.
  4. Install the air intake tube and resonator.
  5. Connect the negative battery cable.