1. This image outlines where the Boost pressure sensor is located on the inlet manifold.
2. The boost sensor is circled.
3. This is the part number and connector type for the Vauxhall OEM boost sensor.
4. This is the connector from the vehicle's wiring loom.
5. This is a close up of the boost sensor pressure nipple (port) it sits behind the bracket at the top of the inlet manifold.