For 1990-2009 cars

1. Remove the injector harness bracket bolts for both injector harnesses.
2. Loosen the encapsulated injector terminal nuts on each injector.
3. Remove both injector harnesses.
4. Remove the right lower valve rocker arm cover screws with insulators.
5. Remove the lower valve rocker arm cover.
6. Remove and discard the valve rocker arm cover gasket, valve rocker arm cover grommets and valve rocker arm cover bolts if they are serviced with the grommet.
7. Use a vacuum source to remove any contamination from the fuel injector inlet (1).