- D01 ENGINE NOT RUNNING SMOOTHLY / (HESISTANT)
- D02 ENGINE NOT RUNNING SMOOTHLY / (LOSING POWER)
- D03 ENGINE NOT RUNNING SMOOTHLY / (IRREGULAR OPERATION)
- D04 ENGINE NOT RUNNING SMOOTHLY
- D05 ENGINE DOES NOT PRODUCE BEST PERFORMANCE
- D10 ENGINE IDLE IRREGULAR
- D21 ENGINE CUTS OUT WHILST DRIVING
- D35 LOW ENGINE OIL PRESSURE
- D36 ENGINE COOLANT OVERHEATING SIGNALLED BY THE INSTRUMENT / WITH VISIBLE VAPOUR VENTING