Power Solutions International

1152

UnclassifiedFuel

What This Code Means

Closed Loop multiplier out of range (at limit of -35%) while running on propane; Fuel system runs rich; One bank shows high adaptive and the other is low

Possible Causes

  • •High secondary fuel pressure
  • •Worn fuel mixer
  • •Faulty EPR (Electronic Pressure Regulator)
  • •Drastic variation in fuel quality (very high butane content)
  • •Plugged, damaged or modified air filter
  • •O2 sensor leads are crossed

Suggested Actions

  1. 1Ensure specified HD-5 or HD-10 motor fuel grade LPG is used
  2. 2Trace O2 sensor wires back to their ECMs and correct accordingly

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