P0363: Misfire Detected - Fueling Disabled

CriticalPowertrainIgnition System

What does P0363 mean?

P0363 is a diagnostic trouble code indicating "Misfire Detected - Fueling Disabled". One or more engine cylinders are not firing correctly, which can cause rough running, loss of power, and increased emissions. Continued driving with active misfires can damage the catalytic converter.

Common causes

  • Worn or fouled spark plugs
  • Failing ignition coil
  • Clogged or leaking fuel injector
  • Low fuel pressure
  • Vacuum leak near the intake manifold
  • Low compression in the affected cylinder

What should you do?

This is a critical issue. Stop driving as soon as it is safe to do so and have the vehicle inspected immediately. Continuing to drive could cause further damage or pose a safety risk.

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Code P0363 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P0362Ignition Coil L Primary/Secondary Circuit Malfunction
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P0360Ignition Coil J Primary/Secondary Circuit Malfunction