Should the engine mangement light come on, you can read most issues through the OBD port using a suitable code reader. More information can be found on the relevant pages for your particular smart: fortwo 450, fortwo 451 and Roadster. Should your code reader simply give you a fault code, please use this system to look up the description, possible cause and resolution where available.
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OBD Codes
| Name | Description |
|---|---|
| P0258 |
Injection Pump Fuel Metering Control "B" Low (Cam/Rotor/Injector) |
| P0259 |
Injection Pump Fuel Metering Control "B" High (Cam/Rotor/Injector) |
| P0260 |
Injection Pump Fuel Metering Control "B" Intermittent (Cam/Rotor/Injector) |
| P0261 |
Cylinder 1 Injector Circuit Low |
| P0262 |
Cylinder 1 Injector Circuit High |
| P0263 |
Cylinder 1 Contribution/Balance Fault |
| P0264 |
Cylinder 2 Injector Circuit Low |
| P0265 |
Cylinder 2 Injector Circuit High |
| P0266 |
Cylinder 2 Contribution/Balance Fault |
| P0267 |
Cylinder 3 Injector Circuit Low |
| P0268 |
Cylinder 3 Injector Circuit High |
| P0269 |
Cylinder 3 Contribution/Balance Fault |
| P0270 |
Cylinder 4 Injector Circuit Low |
| P0271 |
Cylinder 4 Injector Circuit High |
| P0272 |
Cylinder 4 Contribution/Balance Fault |
| P0273 |
Cylinder 5 Injector Circuit Low |
| P0274 |
Cylinder 5 Injector Circuit High |
| P0275 |
Cylinder 5 Contribution/Balance Fault |
| P0276 |
Cylinder 6 Injector Circuit Low |
| P0277 |
Cylinder 6 Injector Circuit High |
| P0278 |
Cylinder 6 Contribution/Balance Fault |
| P0279 |
Cylinder 7 Injector Circuit Low |
| P0280 |
Cylinder 7 Injector Circuit High |
| P0281 |
Cylinder 7 Contribution/Balance Fault |
| P0282 |
Cylinder 8 Injector Circuit Low |
| P0283 |
Cylinder 8 Injector Circuit High |
| P0284 |
Cylinder 8 Contribution/Balance Fault |
| P0285 |
Cylinder 9 Injector Circuit Low |
| P0286 |
Cylinder 9 Injector Circuit High |
| P0287 |
Cylinder 9 Contribution/Balance Fault |
