Fuel Pump
NOTE:
Fuel pump performance refers to fuel pressure and volume availability, not regulated fuel pressure as measured at fuel rail test port.
FUEL PUMP PERFORMANCE AT IDLE
| Application | psi (kg/cm2 ) | Minimum Volume In 30 sec. |
|---|---|---|
| Cherokee & Wrangler | 39-41 (2.7-2.9) | 1 Pt. (.47L) |
| Grand Cherokee | 37-41 (2.6-2.9) | 1 Pt. (.47L) |
FUEL SYSTEM PRESSURE SPECIFICATIONS (1)
| Application | psi (kg/cm2 ) | ||
|---|---|---|---|
| Vacuum Line Disconnected | 38-42 (2.7-3.0) | ||
| Vacuum Line Connected | 31 (2.2) | ||
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