1258-548

UnclassifiedFuel

What This Code Means

Dry fuel filters; Fuel system has run dry

Possible Causes

  • •Fuel system has run dry
  • •Engine has been in prolonged storage
  • •Fuel filter has been cleaned
  • •Fuel filter has been replaced

Suggested Actions

  1. 1Unlock the priming pump, and operate the priming pump until a resistance is felt.
  2. 2Push in the plunger, and hand tighten the plunger.
  3. 3If the engine does not have a fuel priming pump, refer to Step 4.

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Get a diagnosis walkthrough for 1258-548 on your specific Caterpillar unit — cited to the OEM manual, not a forum guess.

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