Astro Van L AWD V6-262 4.3L VIN Z (1994)
Throttle Position Sensor: Service and Repair
NOTE: Since Throttle Position Sensor (TPS) configurations can be mounted interchangeably, be sure to order the correct one for your engine with
identical part number of the one being replaced.
Throttle Position (TP) Sensor
REMOVAL:
1.
Disconnect electrical connectors.
2.
Remove TPS attaching screw assemblies and retainer, (if applicable).
3.
Remove TPS from throttle body assembly.
NOTE: The TPS is an electrical component and must not be soaked in any liquid cleaner or solvent, as damage may result.
INSTALLATION:
1.
With throttle valve in normally closed position, install TPS on throttle shaft and rotate counter clockwise to align mounting hole.
2.
Install the two attaching screw assemblies. Tighten screw assemblies to 2.0 Nm (18.0 lb-in).
3.
Install electrical connector to TPS.
4.
Check for TPS output as follows:
a.
Connect an ALDL scanner to read TPS output voltage.
b.
With ignition "ON" and engine stopped, TPS voltage should be less than 1.25 volts. If more than 1.25 volts, replace TPS.
