Kohler KDI 1903 M troubleshooting: 11 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
Kohler KDI 1903 M — full specs, parts & maintenance.
| Symptom | Cause | Remedy |
|---|---|---|
| The engine does not start | Sulphated battery terminals corroded | Clean the battery terminals |
| Engine starts but stops | Inefficient electrical connections | Clean the electrical contacts; if the problem persists, contact KOHLER authorised workshops |
| RPM instability at idle speed | Clogged fuel pipes | Contact KOHLER authorised workshops |
| Low idle speed | Clogged fuel pipes | Contact KOHLER authorised workshops |
| Blue smoke | High oil sump level | Replace the engine oil; if the problem persists, contact KOHLER authorised workshops |
| Excessive fuel consumption | High oil sump level | Replace the engine oil; if the problem persists, contact KOHLER authorised workshops |
| Engine lost its initial performance | Clogged air filter | Replace with a new filter |
| Poor quality fuel | Clean the tank and refuel with quality fuel | |
| Engine overheats | Insufficient coolant level | Fill up to the level |
| Slow acceleration | Clogged fuel filter | Replace the fuel filter |
| Engine jerking | Clogged fuel pipes | Contact KOHLER authorised workshops |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: Sulphated battery terminals corroded. See the table for the matching fixes.
Documented causes: Inefficient electrical connections. See the table for the matching fixes.
Documented causes: Clogged fuel pipes. See the table for the matching fixes.