Fuel Pump
Make all tests at slow idle speed. For models with fuel return line, pinch off return line. For vacuum test, connect vacuum gauge to inlet side of pump.
FUEL PUMP PERFORMANCE
| Application | Specification | |
|---|---|---|
| Electric Pump Pressure | ||
| MFI | 34-40 psi (2.4-2.8 kg/cm2 ) | |
| SFI | 31-42 psi (2.2-3.0 kg/cm2 ) | |
| TBI | 9-13 psi (.63-.91 kg/cm2 ) | |