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Dismantling and assembling air cleaner > < Technical data

A4 Mk1

MPI fuel injection and ignition system
Servicing Multi Point Injection system
Fitting locations overview
 
A28-0030
  • ACF solenoid 1 -N80
  • Output stage -N122
    • ◆ A - Light brown 4-way connector, signal wires from engine control unit
    • ◆ B - dark brown 3-way connector, primary connections for ignition coils
  • 4-way connector
    • ◆ Black
    • ◆ For lambda probe 1 -G39 and lambda probe heating
      -Z19
  • 3-way connector
    • ◆ Blue
    • ◆ For knock sensor 1 -G61
 
A28-0030
  • Earthing point
    • ◆ On intake manifold
  • Fuel pressure regulator
  • Intake manifold changeover valve
    -N156
  • Throttle valve potentiometer -G69
    • ◆ With idling switch -F60
  • EGR valve
    -N18
  • EGR temperature sensor -G98
    • ◆ On bottom section of intake manifold, beneath throttle valve unit
  • Coolant temperature sender -G62
    • ◆ On coolant pipe behind cylinder head, bank 1
 
A28-0030
  • 3-way connector
    • ◆ Blue
    • ◆ For knock sensor 2 -G66
  • 4-way connector
    • ◆ Black
    • ◆ For lambda probe 2 -G108 and lambda probe heating
      -Z28
  • Lambda probe 2 -G108
  • Engine control unit -J192
    • ◆ In electronics box on left of plenum chamber
  • 3-way connector
    • ◆ White
    • ◆ For ignition coil power supply
  • Hall sender -G40
 
A28-0030
  • 3-way connector
    • ◆ Grey
    • ◆ For engine speed sender
      -G28
  • 3-way connector
    • ◆ Black
    • ◆ For ignition timing sender
      -G4
  • Engine speed sender -G28
    • ◆ In gear case above ring gear
  • Ignition timing sender -G4
    • ◆ Reference mark sender on left on cylinder block
  • Knock sensor 2 -G66
  • Ignition coils -N, -N128, -N158
  • Injectors -N30...-N33
    -N83, -N84
 
A28-0030
  • Knock sensor 1 -G61
  • Idling stabilisation valve -N71
  • Lambda probe 1 -G39
  • Earthing point
    • ◆ On right hand engine support
  • Air mass meter -G70

Dismantling and assembling air cleaner > < Technical data