Map Sensor - 5.7L
The Manifold Absolute Pressure (MAP) sensor (3) is mounted at the back of the intake manifold (4). See Fig 1.
- Disconnect electrical connector at sensor by sliding release lock out (1). See Fig 2. Press down on lock tab (2) for removal.
- Rotate sensor 1/4 turn counter-clockwise for removal.
- Check condition of sensor o-ring.