Fuel Pump Current Draw, Checking

Diagnostic Procedures

Fuel Pump Current Draw, Checking

- Check current draw of fuel pump as follows:

- Reconnect all disconnected fuel lines.

- Connect a multimeter with electrical current probe to terminal 1 - arrow - from wiring harness 4 pin connector to Fuel Pump unit, right.





- Start engine and run at idle speed.

- Measure current draw of fuel pump. Specified value: max. 11 amps.

If current draw is exceeded:

- Fuel Pump faulty, replace fuel delivery unit.

• If malfunction in fuel system is intermittent, test can also be performed during a road test, but a second person is required.