P0313 Misfire: misfire with low fuel or fuel cut

By: Diagno editorial team · Updated: 2026-10-15

P0313 means: Misfire: misfire with low fuel or fuel cut. Fuel isn't burning properly in a cylinder. Don't drive until the car has been checked. The engine could be damaged. The most common repair costs about €60–120 in Estonia, depending on make and model. The most common cause: worn spark plugs.

What it means

Fuel isn't burning properly in a cylinder. The engine runs unevenly and unburnt fuel can damage the catalytic converter. A number at the end shows the cylinder.

What you may notice

• The engine jerks and shakes
• Engine light flashing or on
• Less power
• Higher fuel consumption

What could be wrong

1. 1Worn spark plugs · Spark plug replacement €60–120
2. 2Faulty ignition coil · Ignition coil replacement €90–180
3. 3Clogged or leaking injector · Injector replacement €200–400
4. 4Air leak · Leak check and hose or gasket replacement €60–120
5. 5Low cylinder compression · Engine mechanical repair (after compression test) €600–1200

Repair difficulty: Moderate

What you can check yourself

If the engine light is flashing, drive gently to the nearest safe stop. Swap the coils between cylinders and see whether the fault moves. You can check the simple things yourself, but the repair is best done in a workshop.

How we fix it

1. We check spark plugs and coils
2. We check injectors and air leaks
3. If needed we test compression
4. We replace the plugs, coil or injector

Standard SAE description: Misfire Detected with Low Fuel