Power Solutions, Inc.

211

UnclassifiedGeneral

What This Code Means

DST displays HO2S voltage fixed below 0.35 volts after 2 minutes of idle run time; Intermittent problem

Possible Causes

  • •Continuity between HO2S connector signal pin B and HO2S connector sensor ground pin A
  • •Continuity between HO2S connector signal pin B and engine ground
  • •Drastic variation in fuel quality (very high butane content)
  • •Faulty 3-way pressure trim solenoid
  • •High secondary fuel pressure
  • •Worn fuel mixer

Suggested Actions

  1. 1Be sure that the specified HD-5 or HD-10 motor fuel grade propane is used
  2. 2Diagnose any other ECM codes that are present before beginning this diagnostic procedure
  3. 3Perform the On-Board (OBD) System Check
  4. 4Refer to Diagnostic aids for DTC 211
  5. 5Repair the circuit as necessary (refer to Wiring Repairs in Engine Electrical)
  6. 6Replace HO2S sensor

Related Power Solutions, Inc. Fault Codes

212221142224135-BP262134-BP511124516115555
Browse all Power Solutions, Inc. fault codes

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