audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fitting locations overview > < Rules for cleanliness
Diesel Direct Injection and Glow Plug System (TDI 4 cyl.) >07.99
Servicing diesel direct injection system
Fitting locations overview
 
A23-0025

Engine code AGR

Components A to D are not shown on the illustration.

  •     A -    Relay for diesel direct injection system (J322)
    • ◆ Central electrics, relay position 5
  •     B -    Glow plug relay (J52)
    • ◆ Central electrics, relay position 4
  •     C -    Accelerator position sensor (G79)
    • ◆ In footwell on accelerator
      =>Page 23-17
  •     D -    Brake light switch (F) and brake pedal switch (F47)
    • ◆ In footwell at brake pedal
 
A23-0025
  • Mechanical exhaust gas recirculation valve
  • Injector with needle lift sensor (G80)
  • Diesel direct injection control unit -J248 defective
    • ◆ With altitude sender (F96)
  • Valve for exhaust gas recirculation (N18)
  • Solenoid valve for boost pressure limitation (N75)
  • Air mass meter (G70)
  • Coolant temperature sender (G62)
  • Engine speed sender (G28)
 
A23-0025
  • Connector
    • ◆ 2-pin
    • ◆ For needle lift sensor (G80)
  • Connector
    • ◆ 3-pin
    • ◆ For engine speed sender (G28)
  • Connector
    • ◆ 10-pin
    • ◆ For fuel temperature sender (G81)
    • ◆ For metering control (N146)
    • ◆ For modulating piston movement sensor (G149)
    • ◆ For injection start valve (N108)
    • ◆ For fuel shut off valve (N109)
 
A23-0025
  • Injection start valve (N108)
  • Fuel cut-off valve (N109)
  • Injection pump metering control assembly
    • ◆ With fuel temperature sensor
    • ◆ With quantity adjuster (N146)
    • ◆ With sensor for modulating piston movement (G149)
  • Intake manifold pressure sender (G71) and intake manifold temperature sender (G72)

Fitting locations overview > < Rules for cleanliness