chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Oxygen Sensor > < With Powertrain Control Module (PCM)
Page 1
background image

Manifold Absolute Pressure Sensor: Service and Repair
With Vehicle Control Module (VCM)

MAP Sensor (Typical)

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

REMOVE OR DISCONNECT

1. Negative battery cable.
2. Vacuum harness assembly.
3. Electrical connector releasing locking tab.
4. Bolts or release lock tabs and remove sensor.

INSTALL OR CONNECT

l.

Bolts or snap sensor on bracket.

2. Electrical connector.
3. Vacuum harness.
4. Negative battery cable.

Oxygen Sensor > < With Powertrain Control Module (PCM)