Throttle Position Sensor (TPS) - removal and refitting

Removal
Note: During this procedure, ensure that the sensor wiper is not rotated beyond its normal operating arc
1 Disconnect the battery negative lead.

2 Disconnect the wiring plug from the sensor (see illustration).

11.2 Throttle position sensor - 1.6 EFI engine
11.2 Throttle position sensor - 1.6 EFI engine

A Wiring plug B Securing screws

3 Remove the two securing screws, and withdraw the sensor from the throttle valve shaft.

Refitting
4 Refitting is a reversal of removal, ensuring that the moulded side of the sensor faces the throttle housing, and that the flat on the sensor wiper engages with the flat on the throttle shaft.

    See also:

    Engine - removal leaving automatic transmission in vehicle
    Note: Refer to the warning in Section 8 before proceeding. A suitable hoist and lifting tackle will be required for this operation. 1 Proceed as described in Section 9, paragraphs 1 to 17 inclusiv ...

    Auxiliary warning system components - removal and refitting
    General 1 This system monitors the fluid levels and front brake pads for excessive wear. In the event of a fluid level dropping below the specified level, or the brake pads wearing down to the mi ...

    Compression test
    1 When engine performance is poor, or if misfiring occurs which cannot be attributed to the ignition or fuel system, a compression test can provide diagnostic clues. If the test is performed regul ...