Isuzu Trooper>> Fuel system>> The electric fuel pump

5.4. The electric fuel pump
THE GENERAL DATA

ENGINES 4ZD1, 4ZE1 AND 6-CYLINDER

Details of the electric fuel pump of 6-cylinder engines

1 – a wire of connection with weight

2 – a wire of a food of the pump

3 – the pump

4 – a pillow

5 – the filter

Pressure check

PERFORMANCE ORDER
1. Depressurize fuel system.
2. Disconnect the battery from weight. Disconnect a fuel highway about the engine.
3. Establish in rupture a tee with a manometre.
4. Start the engine and check up pressure of fuel. Before check disconnect the vacuum distributive valve. Measured pressure upon engines 4ZD1 and 4ZE1 at the disconnected and muffled vacuum hose of a regulator of pressure should be 2,65 атм. If a hose to attach idling pressure should become equal 2,2 атм. On 6-cylinder engines the pressure measured after the fuel filter, should be within 0,56–0,8 атм.