With All Wheel Drive

Fuel Pump Delivery Volume, Checking

Required special tools, testing equipment and auxiliary equipment

- VAG1348/3A Remote control with VAG1348/3-2 adaptor cable
- Calibrated measuring container

Test requirements
- Battery Voltage: 12 Volts minimum
- Fuel filter OK
- Ignition switched OFF.

Test sequence
- Open fuse panel cover on left side of instrument panel.
- Remove fuse 28 from fuse panel (left row, 5th fuse from top)







- Connect VAG1348/3A remote control to right terminal of fuse 28 using VAG1348/3-2 adaptor cable -arrow-.
- Connect tester clamp to Battery +.
- Remove fuel filler cap.
- Remove engine cover.


WARNING!
Fuel system is under pressure! Before opening, place clean cloths around the connections to be opened. Carefully loosen the connections to relieve pressure.







- Disconnect fuel return hose from the hose connection on the fuel distributor line.
- Connect auxiliary hose -arrow- to distributor line and place in a measuring container.
- Operate remote control for 15 seconds.
- Keep button depressed continuously







- Compare delivered quantity to specified value.
*) Minimum supply quantity cm3/15 s
**) Voltage across fuel pump with engine off and pump running (approx. 2 Volts less than Battery Voltage).