Engine Smoking Diagnosis

Engine smoking is usually an indicator of underlying problems. Early diagnosis of machine problems can help prevent catastrophic failure.

If your plant machinery is smoking here are the possible causes: –

Excess black smoke at full load:(hot, unburned fuel) • Dirty primary / secondary air cleaner• Operating in too high a gear• Overfueling• Overloading• Faulty turbocharger

Blue smoke:(oil consumption) • Hours on engine• Worn rings/liners• Worn turbocharger seals• Worn valve products

White Smoke:(steam: water in combustion chamber)(or start-up: unburned fuel) • Leaking head gasket• Cracked head and/or liners• Faulty injector• Incorrect starting procedure• Incorrect fuel injection timing• Low quality fuel

Visit our workshop page for more advice and early warning indicators.

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