Leon Mk1
| Components' fitting locations |
| 1 - | 4-pin connector |
| q | For lambda probe |
| 2 - | Lambda probe -G39-, 55 Nm |
| q | Fitting location: in the front exhaust pipe |
| 3 - | Intake manifold pressure sender -G71- with intake air temperature sender -G42- |
| 4 - | Throttle valve control unit -J338- |
| 5 - | Knock sensor 1 -G61- |
| q | Removing and installing → Item |
| 6 - | Ignition transformer -N152- |
| q | Removing and installing → Item |
| 7 - | Fuel rail |
| 8 - | Earth connection |
| 9 - | Engine control unit |
| q | Control unit for injection and ignition system Marelli 1AV -J382- |
| q | Renew → Chapter |
| 10 - | Fuel pressure regulator |
| 11 - | Ignition distributor |
| q | Removing and installing → Item |
| 12 - | Central connector |
| 13 - | Earth connection |
| 14 - | Coolant temperature sender -G62- |
| q | Identification: yellow ring |
| 15 - | Injectors (-N30-…-N33-) |
| 16 - | Air filter |
| q | Dismantling and assembling → Chapter |
| 17 - | Spark plug, 25 Nm |
| q | Test data → Chapter |
| 18 - | Oil pressure switch |
| 19 - | Solenoid valve 1 for activated charcoal filter -N80- |
| q | Activated charcoal filter system → Rep. Gr.20 |
| 20 - | Activated charcoal filter system |
| q | In right wheel arch |
| q | Activated charcoal filter system → Rep. Gr.20 |
