Leon Mk1
| Location of the components |
| 1 - | Fuel pressure regulator |
| 2 - | Intake manifold pressure sender -G71- with intake air temperature sender -G42- |
| 3 - | Intake manifold |
| 4 - | Injector (-N30-…-N33-) |
| 5 - | Knock sensor 1 -G61- |
| q | → Item |
| 6 - | Throttle valve control unit -J338- |
| 7 - | Engine revs sender -G28- |
| q | Inductive sender |
| q | Location: engine block, intake side |
| 8 - | Earth connection |
| 9 - | 3-pin connector |
| q | For engine revs sender -G28- |
| 10 - | Control unit 4LV -J537- |
| 11 - | Ignition transformer -N152- |
| q | With identification for ignition wiring, do not swap |
| q | → Item |
| 12 - | 6-pin connector |
| q | Black |
| q | For lambda probe and lambda probe heating |
| 13 - | Coolant temperature sender -G62- |
| q | With coolant temperature gauge sender -G2- |
| 14 - | Exhaust recirculation valve -N18- with pot. for exhaust recirculation -G212- |
| q | → Chapter |
| 15 - | Hall sender -G40- |
| q | → Item |
| 16 - | Lambda probe before the catalyst -G39-, 50 Nm lambda probe after the catalyst -G130-, 50 Nm |
| q | Location: probe before the catalyst in exhaust manifold, probe after the catalyst, rear part |
| 17 - | Activated charcoal filter solenoid valve 1 -N80- |
| q | In the activated charcoal filter |
| q | Activated charcoal filter system → Chapter |
