1162

UnclassifiedFuel

What This Code Means

Malfunction Indicator Lamp (MIL) ON; Fuel system running rich; One engine bank shows high adaptive and the other shows low

Possible Causes

  • Adaptive multiplier out of range greater than -30% while running on propane
  • High secondary fuel pressure
  • Worn fuel mixer
  • Faulty Electronic Pressure Regulator (EPR)
  • Drastic variation in fuel quality (very high butane content)
  • Plugged, damaged, or modified air filter
  • Crossed O2 sensor leads

Suggested Actions

  1. 1Run the fuel system diagnostics
  2. 2Ensure specified HD-5 or HD-10 motor fuel grade propane is used
  3. 3Trace O2 sensor wires back to their ECMs and correct crossed leads

Related Power Solutions International, Inc. Fault Codes

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