G 20 Van V6-262 4.3L VIN Z (1993)
Throttle Position Sensor: Service and Repair
Throttle Position (TP) Sensor
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.
REMOVE OR DISCONNECT
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Electrical connectors.
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TPS attaching screw assemblies and retainer, (if applicable).
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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.
INSTALL OR CONNECT
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With throttle valve in normally closed position, install TPS on throttle shaft with seal and rotate counter clockwise to align mounting hole.
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Two attaching screw assemblies. Tighten screw assemblies to 2.0 Nm (18.0 lb-in).
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Electrical connector to TPS.
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Check for TPS output as follows:
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Connect an ALDL scanner to read TPS output voltage.
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With ignition "ON" and engine stopped, TPS voltage should be less than 1.25 volts. If more than 1.25 volts, replace TPS.
