Checking fuel pump delivery rate - MPI engine to 04.2002 — AUDI

🧭 Before you start

Fits: Audi A2 (8Z)

• Special tools named: VAS 6011

Don't miss

• Do not store bonnet in upright position.
• The fuel supply pipe (1) remains connected.
• Voltage at fuel pump with engine stationary and pump running is approx. 2 volts less than battery voltage.

🔧 Engine codes this applies to

📐 44 workshop diagrams for AUA

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Open fuse box cover on instrument panel (left-side).
2. Detach fuse S18 from fuse carrier (3rd fuse in 4th row as seen from top).
3. Connect remote controlV.A.G 1348/3 A with adapter cableV.A.G 1348/3-2 to left-hand terminal of fuse socket S18.
4. Connect clamp to vehicle battery (+).
5. Remove filler cap from fuel filler neck.

6. Wash outer side of bonnet and dry with chamois leather.
7. Release service flap from inside the vehicle.
8. Release bonnet (arrows) and pull it forwards slightly.
9. Fasten protective coverVAS 6011 over bonnet.
10. Remove bonnet and put aside with the protective cover VAS 6011 facing downwards. [Note: Do not store bonnet in upright position.]
11. Disconnect the solenoid valve 1 for activated charcoal filter system N80(Item 1) with retainer at air duct.
12. Loosen hose clip using hose clip pliersV.A.G 1921 and detach air duct (2) from intake connecting pipe of engine.
13. Move air duct clear.
14. ⚠ The fuel system is pressurised. Before opening the system place a cloth around the connection. Then dissipate pressure by carefully unfastening the connection. — Detach fuel return pipe (2) from pipe connection (bottom arrow). [Note: The fuel supply pipe (1) remains connected.]
15. Fit a hose (1) onto open pipe connection and hold end of hose in fuel-resistant measuring container.
16. Press remote control button for 15 seconds.
17. Compare amount of fuel delivered with minimum delivery shown in diagram (cm3/15 sec.). [Note: Voltage at fuel pump with engine stationary and pump running is approx. 2 volts less than battery voltage.] [Note: Secure all hose connections with the correct type of hose clips (same as original equipment) Parts catalogue.]

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