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:

Checking fuel pressure sender -G247-
Special tools and workshop equipment required Vehicle diagnostic tester     Pressure sensor tester -VAS 6394- Test instrument adapter/DSO (3-pin) -VA ...

Notes on treating corroded fold areas
Examples for corrosion in the fold area of bonnet, door or rear lid –  Remove corrosion using → Chapter „Pneumatic brush grinder set -VAS 6446-“ or → Chapter „Brush grinder set -VAS 6776-“. ...

Removing and installing insulation
Removing     –  Lever retaining clips -2- out of bonnet -3- using removal lever -80-200-. –  Pull insulation -1- out of elongated holes -arrows-.   Inst ...