Removal
1 The idle speed compensator is only fitted to K-Jetronic systems from 1986 onwards and is located in the centre of the engine compartment bulkhead (see illustration).

19.1 K-Jetronic system idle speed compensator location

2 Disconnect the battery negative lead.

3 Disconnect the electrical lead, undo the two screws and withdraw the unit. Detach the air hoses from each end and remove the compensator.

Refitting
4 Refitting is a reversal of removal. The air hoses can be connected to either end and the arrows on the unit can be ignored.