CIS Fuel Injection · Fuel System
| System | Fuel System |
| Subsystem | CIS Fuel Injection |
| Assembly | Control Pressure Regulator |
| Years | 1974–1981 |
| Vehicles | 911SC, 911T/E/S |
| Confidence | Cross Referenced |
Source: Porsche 911 Workshop Manual, Section 2 (Fuel System), pages 237-239 (Disassembling and Assembling Mixture Control Unit - Modifications from April 1976)