Pramac
Poor Combustion / Cold Start Issue
Generator emits white smoke and runs rough, especially on cold start
Advertisements
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Advertisements
Possible Causes
Faulty glow plugs (diesel), Low compression, Water contamination in fuel, Incorrect injection timing
How to Fix / Troubleshooting
Safety first: Avoid prolonged cranking to prevent starter damage. Work in a ventilated area.
- Check glow plug operation: Verify that the preheat indicator or cycle occurs. Test each glow plug with an ohmmeter and replace failed units.
- Inspect fuel for water: Drain the water separator and check for water. If present, drain tank and replace fuel.
- Limit cold load: Allow the generator to warm up for several minutes before applying heavy load.
- Professional diagnosis: Persistent white smoke may indicate compression or timing issues requiring engine specialist attention.
Advertisements
Repair Difficulty
Hard
4/5
Advertisements