Removal & Installation (4.2L)
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Raise and support vehicle. Disconnect fuel tank pressure sensor harness connector. See Figure. Carefully remove fuel tank pressure sensor from fuel sending unit at top of fuel tank. To install, reverse removal procedure. Check for fuel leaks.