| Display fault reader -V.A.G 1551- | Possible fault cause | Fault elimination |
Over 3° BTDC
or over 4° BTDC
or over 7° BTDC | | | –
| Run engine at increased speed to warm up and repeat check. |
|
| | | t
| Injection pump set too “advanced” |
| | –
| Dynamically checking and adjusting commencement of injection → Chapter |
|
| | | t
| Defective commencement of injection valve -N108- |
| | –
| Check commencement of injection valve -N108- → Chapter, Final control diagnosis |
|
Retarded 2° ATDC
or retarded 0° ATDC
or retarded 1° ATDC | | t
| Injection pump set extremely “retarded” |
| | –
| Dynamically checking and adjusting commencement of injection → Chapter |
|
| | | t
| Injection timing adjustment blocked |
| | –
| Check commencement of injection valve -N108- → Chapter, Final control diagnosis |
|
| | | t
| Defective commencement of injection valve -N108- |
| |
