OBD Codes List

Diagnostic reference · P0313

P0313

Misfire Detected With Low Fuel

System
Ignition and misfire (P code)
Lamp
Check Engine Light
Category
Powertrain - Ignition

What it means

P0313 means Misfire Detected With Low Fuel.

Check these first

  • A faulty fuel level sensor reporting empty when fuel is present
  • Low fuel pressure from a weak pump or restricted line
  • A lean misfire that appears when the tank runs low
  • A worn ignition component that shows up under low fuel load

What to do next

  1. Fill the tank and clear the code
  2. Check fuel pressure at the rail
  3. Test the fuel level sensor and its wiring
  4. Inspect the ignition circuit if the misfire returns
  5. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.