K 1500 Truck 4WD V8-5.7L VIN R (1997)
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.
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Disconnect the vacuum harness assembly.
3. Disconnect the electrical connector releasing locking tab.
4. Remove the bolts or release lock tabs and remove the sensor.
INSTALLATION PROCEDURE
1. Install the bolts or snap sensor on bracket.
2. Connect the electrical connector.
3. Connect the vacuum harness.
4. Connect the negative battery cable.