TrailBlazer 4WD L6-4.2L VIN S (2002)
5. Connect the fuel feed and return pipes (1, 2) to the fuel rail.
6. Connect the fuel injector electrical connectors.
7. Connect the fuel pressure regulator vacuum line.
8. Install the intake manifold.
9. Connect the negative battery cable.
10. Inspect for leaks.
10.1. Turn ON the ignition, with the engine OFF for 2 seconds.
10.2. Turn OFF the ignition for 10 seconds.
10.3. Turn ON the ignition, with the engine OFF.
10.4. Inspect for fuel leaks.
