OBD-II code · Powertrain (generic)
P0313 Misfire Detected with Low Fuel
Misfires are detected while the fuel level is low. The ECM disables further misfire reporting under this condition because intermittent fuel starvation can cause false positives in catalyst-damaging logic.
Is it safe to drive with P0313?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyFuel level very low
- PossibleWeak fuel pump or pickup
- Less likelyFaulty fuel level sensor
Symptoms
- Check engine light on or flashing
- Rough idle and uneven running
- Power loss, hesitation under acceleration
- Increased fuel consumption
- Possible smell of unburned fuel from exhaust
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.1–2 h
- Emissions test
- Likely to fail
- Parts involved
- Fuel Tank, Fuel Level Sensor, Fuel Pump
Related codes
- P0300Random/Multiple Cylinder Misfire Detected
- P0314Single Cylinder Misfire — Cylinder Not Specified
- P0310Cylinder 10 Misfire Detected
- P0311Cylinder 11 Misfire Detected
- P0312Cylinder 12 Misfire Detected
- P0315Crankshaft Position System Variation Not Learned
- P0316Engine Misfire Detected on Startup (First 1000 Revolutions)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.