1. The battery is discharged or the electrolyte level is insufficient (see «Battery - Service»).
2. Faulty power system (see «Checking the technical condition of the power system»).
3. Defective coolant temperature sensor of the engine management system (see «Coolant temperature sensor - removal, inspection and installation»),
4. Leaky fuel injectors (see «Nozzles - check and replacement»).
5. Faulty engine management system (see «Checking the technical condition of the engine management system»).