P0313
Misfire Detected With Low Fuel
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
- Fill the tank and clear the code
- Check fuel pressure at the rail
- Test the fuel level sensor and its wiring
- Inspect the ignition circuit if the misfire returns
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.