The code uses 5 typical design features, which will be explained in the following using 2 examples.
| Petrol engine (example) | Diesel engine (example) | ||
|---|---|---|---|
| Z | Emissions standard | Z | Emissions standard |
| 16 | Engine size | 17 | Engine size |
| X | Compression ratio | D | Mixture system |
| E | Mixture system | T | Spec. version |
| P | Spec. version | H | Spec. version |
Notes:
| Emissions standard | Y | 68/69/EC, Euro 3 / D3 or Euro 3 / D4 | ||
|---|---|---|---|---|
| Z | 68/69/EC, Euro 3 / D4 or Euro 4 | |||
| Engine size | x 0.1 = Capacity in litres | |||
| Compression ratio | L | > 8,5 - 9,0 : 1 | X | > 10,0 - 11,5 : 1 |
| N | > 9,0 - 9,5 : 1 | Y | > 11,5 : 1 | |
| S | > 9,5 - 10,0 : 1 | |||
| Mixture system | D | Diesel | NG | Natural gas |
| E | Injection | |||
| Special version (on request) | H | High power output | T | Turbocharging |
| L | Low power output/supercharging | P | Port shut-off | |
| R | Increased power output | |||
Engine Number / Engine Code
Diagram L0008519 shows possible positions of the engine code, by way of example.