Checking fuel pump delivery rate - 1.6 ltr. engine (2 valve) — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Special tools named: V.A.G 1348, V.A.G 1348/3, V.A.G 1318/17

Don't miss

• Fuel supply line (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

📋 Procedure

1. Remove rear seat bench 72.
2. Unclip retaining tabs (arrows) for flange cover.
3. Unplug electrical connector (arrow) at flange.
4. Connect remote controlV.A.G 1348/3A for V.A.G 1348 to contact (1) using adapter cable V.A.G 1348/3-3 and test lead from auxiliary measuring setV.A.G 1594C.
5. Tape off 2nd connector contact of adapter cable V.A.G 1348/3-3 with insulating tape (arrow) to prevent short circuits.

6. Connect contact (5) to the body (earth) using a test lead from auxiliary measuring setV.A.G 1594C.
7. Connect crocodile clip to battery "“+”".
8. Remove filler cap from fuel filler neck.
9. ⚠ Risk of injury - fuel system operates under high pressure.To reduce the pressure in the fuel system, wrap a clean cloth around the connection and carefully loosen the connection. — Press release tab and disconnect fuel return line (2). [Note: Fuel supply line (1) remains connected.]
10. Fit adapter V.A.G 1318/17-1 onto disconnected fuel return line and hold adapter hose in measuring container.
11. Press remote control button for 15 seconds.
12. 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.]
13. Install rear seat bench 72.

Other AUDI procedures

• Removing and installing anti-theft engine control unit J623 · 1 torque figures
• Checking fuel pressure and residual pressure (up to high-pressure pump)
• Installing camshaft adjuster – VW 2.0 · 2 torque figures
• Removing and installing fuel pressure sender G247 · 1 torque figures
• Filling with coolant – VW Golf VII
• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures