A4 Mk1
Fuel supply system - four-wheel drive
Checking fuel pump delivery rate
Special tools, testers and auxiliary items
Requirements for test:
Test sequence |
Vehicles with 4-cylinder engine: Warning!
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection. |
Vehicles with 6-cylinder engine: |
Warning!
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection.
All models |
*) Minimum delivery cm3/15 seconds **) Voltage at fuel pump with engine stationary and pump running (approx. 2 volts less than battery voltage). |