Volkswagen Golf Service & Repair Manual: Engine control unit

Removing and installing lambda probe 1 before catalytic converter -GX10-/lambda probe 1 after catalytic converter -GX7-

Lambda probe 1 before catalytic converter -GX10- consists of Lambda probe -G39- Lambda probe heater -Z19- ...

Removing and installing engine control unit -J623- (with metal locking plate)

Special tools and workshop equipment required     Hot air blower -VAS 1978/14A--1- with nozzle -2- fr ...

Other materials:

Paintwork structure of factory finish, cathodic dip primer
Cathodic dip primer, 2-door version  -  Electrophoretic finish         Cathodic dip primer, 4-door  -  Electrophoretic finish ...

Engine preheating
Fig. 131 The front left of the bumper: connection for engine preheating ② First read and observe the introductory information and safety warnings In engine preheating mode, the engine coolant is heated slowly using a heating element while the vehicle is stationary. To do so, the cables ...

Displays
Fig. 178 In the instrument cluster display: examples of recognised speed limits or overtaking restrictions with accompanying additional signs First read and observe the introductory information and safety warnings  Traffic sign recognition texts Cause and solut ...