Checking current consumption of fuel pump
WARNING: This page is about a different variant/trim than selected.
- Disconnect 4-pin connector from fuel delivery unit flange.
- Set multimeter measuring range to 20 A and connect multimeter in series between contacts - 1 - of connector and fuel pump using adapter cables from V.A.G 1594 A.
NOTE:
- The current pick-up clamp from multimeter V.A.G 1715 can also be connected to an adapter cable connected between connector contacts - 1 - and fuel pump.
- Connect contacts - 4 - of connector and fuel pump using adapter cables from V.A.G 1594 A.
- Start engine and run at idling speed.
- Measure current draw at fuel pump: Specification: 3.5...4.5 amps.
If values measured lie outside specifications:
- Replace fuel delivery unit. Refer to Fuel delivery unit, removing and installing .