9D-0 157 2

UnclassifiedLubrication

What This Code Means

Desired fuel quantity to reach requested rail pressure is higher than expected at idle speed; Incorrect measuring of the rail pressure; Measured pressure rises considerably for a brief time (jumps > 500,00bar in a 10 ms window)

Possible Causes

  • Leaky system
  • Loose contact in the rail pressure sensor wiring

Suggested Actions

  1. 1Perform gradient monitoring of the rail pressure

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Get a diagnosis walkthrough for 9D-0 157 2 on your specific Winco unit — cited to the OEM manual, not a forum guess.

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