Leon Mk2
| Location of components |
| 1 - | Fuel pressure regulator |
| 2 - | Intake manifold pressure sender -G71- with intake air temperature sender |
| 3 - | Intake manifold |
| 4 - | Injector -N30-...-N33-) |
| 5 - | Control unit 4LV -J537- |
| 6 - | Knock sensor 1 -G61- |
| q | Location: engine block, intake side |
| q | → Item. |
| 7 - | Throttle valve control unit -J338- |
| 8 - | Earth connection |
| 9 - | Engine revs sender -G28- |
| q | Location: engine block, intake side |
| 10 - | 3-contacts connector |
| q | Black |
| q | For engine revs sender -G28- |
| 11 - | Ignition transformer -N152- |
| q | With identification for ignition wiring, do not swap |
| q | → Item |
| 12 - | 4 and 6-contacts connector |
| q | Black |
| q | To lambda probe and pre- and post- catalyst lambda heating |
| 13 - | Coolant temperature sender -G62- |
| q | With sender for coolant temperature gauge -G2- |
| 14 - | Exhaust recirculation system -N18- with exhaust recirculation potentiometer -G212- → Rep. Gr.26 |
| 15 - | Hall sender -G40- |
| q | → Item |
| 16 - | Pre-catalyst lambda probe -G39-, 50 Nm, post-catalyst lambda probe -G130-, 50 Nm |
| q | Location: probe before the cat. At exhaust manifold, post-catalyst lamb-da probe. At the main catalyst |
| 17 - | Activated charcoal filter solenoid valve 1 -N80- |
| q | Activated charcoal filter system: → Rep. Gr.20 |
