The 4.3-liter engines are commonly fashion in Chevrolet vehicles. Unplug the manifold positive coercion sensor's wiring harness connector, using your fingers to spread the tangs on the connector. Remove the irrigate pump region's cover, using the appropriate socket, to access the TPS.2. Provided the TPS is malfunctioning, you may communication a stumble at a firm quickness -- For instance, whether you impel 55 mph all the date, there might be a "dead spot" at 55 mph, where the vehicle stumbles.
Instructions
1. Unplug the wiring harness connector on the lazy air direction sensor, using your fingers to spread the tangs on the connector. It is a fuel-injected engine, which uses a throttle position sensor. The sensor senses Until when the Chauffeur's foot is into the pedal -- at an unused, going slow, or if the Chauffeur has the pedal to the metal. The TPS sends the data to the personal computer via a voltage locution. The personal computer uses the word to conduct the fuel injectors for a longer or shorter extension of hour.
Remove the screws holding the electrical connector onto the TPS, then unplug the connector from the TPS. Pull the TPS off the throttle body.
3. Install the new O-ring that comes with the new throttle position sensor onto the sensor. Bolt the connector to the sensor, then bolt the sensor to its place on the throttle body, tightening the bolts to 20 inch-pounds of torque.
4. Plug in the idle air control sensor's wiring harness connector. Plug in the MAP sensor's wiring harness connector. Reinstall the water pump belt's cover.
5. Run the relearn procedure by turning the ignition to the "Run/On" position. Wait for one minute. Turn the ignition to the "Lock/Off" position.
