Power Solutions International, Inc.

891 4

UnclassifiedGeneral

What This Code Means

Malfunction Indicator Lamp (MIL) ON; Closed Loop Disabled

Possible Causes

  • •Poor harness connections
  • •Faulty sensor

Suggested Actions

  1. 1Check harness (post-control box harness, sensor side) for poor connections
  2. 2Run the Closed-Loop test from the Tests page in EDIS

Related Power Solutions International, Inc. Fault Codes

1111117168611726851173643117760613255631351
Browse all Power Solutions International, Inc. fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 891 4 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.