Fuel Pressure Release
- Open trunk. Locate and disconnect fuel pump relay in right front corner of trunk. Relay is front-most relay (Black relay/Violet stripe with Green connector).
- On XJR, open hood. Remove second fuel pump relay from battery cover relay block (Blue relay with Yellow connector).
- On all models, start engine and let idle until engine stalls. Crank engine an additional 5 seconds. Turn ignition off. Install fuel pump relay(s).
FUEL PUMP PERFORMANCE
| Application | psi (kg/cm2 ) |
|---|---|
| XJR | 54 (3.8) |
| All Other Models | 44 (3.1) |