LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1998 >> Astro Van 2WD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Manifold Pressure/Vacuum Sensor >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Manifold Pressure/Vacuum Sensor: Service and Repair




MAP Sensor:






NOTE: Other than checking for a worn grommet and loose electrical connections, the only service possible is unit replacement, if the diagnosis shows the sensor to be faulty.

IMPORTANT: After removing the MAP sensor from the intake manifold, replace the MAP sensor to intake manifold seal.

REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Remove the electrical connector releasing the locking tab.
3. Remove the MAP sensor.
4. Remove the MAP sensor grommet.
5. Discard the MAP sensor grommet.

INSTALLATION PROCEDURE
1. Install the new MAP sensor grommet on the MAP sensor grommet.
2. Install the MAP sensor.
3. Install the electrical connector.
4. Connect the negative battery cable.