seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing control unit, Lambda probe, coolant temperature sender and engine speed sender > < Fitting locations overview
Motronic injection and ignition system
Motronic injection and ignition system
Servicing injection part

Servicing ignition part:

=> Repair group 28

Notes:

  • ◆ Fuel hoses in engine compartment must only be secured with spring type clips. The use of clamp or screw type clips is not permissible.
  • ◆ The control unit for the fuel injection and ignition system is equipped with a fault memory. Before carrying out repairs, adjustment work and fault finding the fault memory must be interrogated and the vacuum connections checked (outside air).
  • ◆ Components marked with * are checked via the self diagnosis.
    , interrogating fault memory.
  • ◆ Components marked with ** are checked via the final control control diagnosis => Page 01-42.
  • ◆ For trouble-free operation of the electrical components, a voltage of at least 11.5 V is necessary.
  • ◆ Do not use sealants containing silicone. Particles of silicone drawn into the engine, will not be burnt in the engine and damage the Lambda probe.
  • ◆ If the engine starts, runs for a short period and then stops, after fault finding, repairs or component tests, then the fault may lie with the immobilizer which is blocking the engine control unit. The fault memory must be interrogated and if necessary the control unit matched => Page 24-84.
  • ◆ During some checks it is possible that the control unit will recognise and store a fault. Therefore after completing all checks and repairs the fault memory must be interrogated and if necessary erased.
    => Page 01-10, interrogating fault memory

Safety precautions

Rules for cleanliness => Page 24-27

Technical data => Page 24-28

Checking engine operation => Page 24-42

 
N24-0274
  •     I -    Removing and installing control unit, Lambda probe, coolant temperature sender and engine speed sender
    => Page 24-8
  •     II -    Dismantling and assembling fuel manifold and intake manifold upper and lower parts
    => Page 24-12
  •     III -    Removing and installing throttle valve control part
    => Page 24-18
  •     IV -    Removing and installing air cleaner, air mass meter and crankcase breather heater element
    => Page 24-22

Removing and installing control unit, Lambda probe, coolant temperature sender and engine speed sender > < Fitting locations overview