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Volkswagen Golf Mk7 Service & Repair Manual: Engine control unit

This section covers the Volkswagen Golf Mk7 engine control unit -J623- in its two housing variants: with a metal locking plate, or with a protective housing.

Questions & answers

Engine control unit — Volkswagen Golf Mk7

What ECU topics does the Golf Mk7 1.4 TSI chapter cover?
Removal/installation of engine control unit -J623- — two variants: with metal locking plate and with protective housing.
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 ...