Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Manifold Absolute Pressure (MAP) 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 by gently prying the MAP sensor out of the intake plenum.
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.
2. Install the MAP sensor into the intake plenum.
3. Install the electrical connector.
4. Connect the negative battery cable.
