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Test fuel pump relay and activation > < Testing injection quantity, leak tightness and spray pattern of injectors

A4 Mk1

Motronic Fuel Injection and Ignition System (6-cyl. Turbo)
Servicing Motronic injection system
Dismantling and assembling fuel manifold with injectors
 
A24-0152

Note:

Depending on version, the fuel manifold may differ slightly to that illustrated.

  • Fuel rail
  • To intake manifold
  • Bracket
  • O-ring
    • ◆ Replace
 
A24-0152
  • Fuel pressure regulator
  • O-ring
    • ◆ Replace
  • Injector (N30...N32, N33...N84)
  • Bracket
    • ◆ Ensure it is positioned correctly on injector and fuel manifold

Test fuel pump relay and activation > < Testing injection quantity, leak tightness and spray pattern of injectors