Throttle Position Sensor: Adjustments

THROTTLE POSITION SENSOR ADJUSTMENT PROCEDURE

TPS Location Metro W/ Std Emissions:

1. Loosen the Throttle Position (TP) sensor attaching screws (refer to image).

Inserting Feeler Gauge:

2. Insert a 3.5 mm (0.14 inch) feeler gage between throttle stop screw and throttle lever (refer to image).

Description:

3. Inspect the Idle Speed Control (ISC) motor plunger. If ISC motor plunger is contacting throttle lever screw, then the engine must be brought to operating temperature (refer to image).

4. Connect a Tech 1 scan tool to the Data Link Connector (DLC) and turn the ignition switch to "ON."

TPS Adjustment Metro W/ Upgraded Emissions:

5. While observing TP sensor voltage on the Tech 1 scan tool, turn the TP sensor until the voltage reading is 0.98 to 1.02 volts (refer to image).

6. Tighten TP sensor screws to 2.0 Nm (18 lb in).