[longassname]

Use new o-rings and lube them and the fuel rail with vaseline before installing the injector. If you don't the orings usually tear and leak. The screws that hold the caps on are usually pretty hard to break loose. To break them loose without buggering them use an impact driver (that's a screw driver operated by a hammer--hitting it with a hammer applies both the downward and twisting forces at the same time--they work like a miracle--can be gotten for cheap from harbor freight as well as the usual places like snap on, mac, and napa.