1977-79 Models
- Connect pressure gauge and valve assembly as in cold engine control pressure test. Be sure fuel supply, fuel pump(s) and filter are in good working order. Close valve on test equipment. Disconnect airflow sensor and turn ignition on.
- Pressures should be as specified in SYSTEM (LINE) CONTROL PRESSURE TEST table. If not, adjust pressure by adding or removing shims beneath outer spring of pressure regulator (located in fuel distributor housing).
SYSTEM (LINE) CONTROL PRESSURE TEST
| Application | psi (kg/cm2 ) | |
|---|---|---|
| 1977 Models | ||
| 911S & 924 | 65.3-75.4 (4.6-5.3) | |
| Turbo Carrera | 85-95 (6.0-6.7) | |
| 1978-79 Models | ||
| 924 | 65.3-75.4 (4.6-5.3) | |
| 911SC | 65.3-72.5 (4.6-5.1) | |
| 928 | 72.5-84.1 (5.1-5.9) | |
| 930 Turbo | 87.0-97.2 (6.1-6.8) | |