Volvo Penta 16 liter Engine

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• Too high exhaust temperature (only TWD1643GE)
  Cause: In sufficient air supply to the engine: blocked air filter; air leakage between the turbo and the engine's intake manifold; dirty compressor part in the turbocharger; faulty turbo compressor; poor engine room ventilation
• Starter motor does not rotate
  Cause: Discharged batteries
• Engine does not reach correct operating speed at full throttle
  Cause: Blocked fuel fine-filter/pre-filter (due to contaminations, or stratification in the fuel at low temperature)
• Excessive coolant temperature
  Cause: Coolant level too low
• Engine starts but stops again
  Cause: No fuel: fuel cocks closed; fuel tank empty/wrong tank connected
• Starter motor rotates normally but engine does not start
  Cause: No fuel: fuel cocks closed; fuel tank empty/wrong tank connected
• High fuel consumption
  Cause: Faulty unit injectors
• Too low coolant temperature
  Cause: Defective thermostat
• Starter motor rotates slowly
  Cause: Discharged batteries
• No, or poor charge
  Cause: Poor contact/open circuit in electrical wiring
• Engine runs roughly
  Cause: Air in the fuel system
• Blue or white exhaust smoke
  Cause: Coolant temperature too low
• Black exhaust smoke
  Cause: Faulty unit injectors
• Water in Fuel (PID/SPN 97) 2.1
  Cause: Water in fuel
  Fix: Empty the primary fuel filter
• Water in Fuel (Code 2.1, PID/SPN 97) 2.1, PID/SPN 97
  Fix: * Empty the primary fuel filter indicator for Water in Fuel (Code 2.9, PID/SPN 97)

Compiled from service & troubleshooting documentation across every generator set that uses the Volvo Penta 16 liter.