Power Solutions International, Inc.

1164

UnclassifiedFuel

What This Code Means

Adaptive multiplier out of range greater than -30% while running on natural gas; MIL ON; 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. 1Run the fuel system diagnostics before using the diagnostic chart
  2. 2Ensure the specified HD-5 or HD-10 fuel grade propane is used
  3. 3Trace O2 sensor wires back to their ECMs and correct accordingly

Related Power Solutions International, Inc. Fault Codes

DTC 22 2DTC 2231162DTC 11111154DTC 1152148DTC 2112117111721173
Browse all Power Solutions International, Inc. fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 1164 on your specific Power Solutions International, Inc. unit — cited to the OEM manual, not a forum guess.

GET THE ANSWER

Free account required — we'll bring your question with you.