For 1990-2009 cars

### Removal Procedure

1. Remove the vacuum hoses (1) from the fuel pressure regulator (3) and positive crankcase ventilation valve (2).
2. Remove the positive crankcase ventilation valve.

### Installation Procedure

1. Install the positive crankcase ventilation valve (2).
2. Connect the vacuum hoses (1) to the fuel pressure regulator (3) and the positive crankcase ventilation valve.