Power Solutions International

302 9

UnclassifiedGeneral

What This Code Means

Malfunction Indicator Lamp (MIL) ON; Adaptive disabled

Possible Causes

  • •Faulty UEGO sensor
  • •UEGO drift compensation accumulator exceeds maximum positive or negative thresholds (< -12.0% lp or > 12.0% lp)

Suggested Actions

  1. 1Replace the UEGO sensor
  2. 2Clear the code

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Get a diagnosis walkthrough for 302 9 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.

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