OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P0363

Misfire Detected - Fueling Disabled

Severe misfire detected — the PCM has disabled fuel injection on the affected cylinder(s) to protect the catalyst from raw fuel. Common protective response on heavy or sustained misfire conditions.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 63

Possible causes

  • Severe misfire — read companion P030x codes high

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

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 200–2500 €
  • Estimated time: 1–6 h
  • Component: fuel injector
  • Component: ignition coil
  • Component: powertrain control module
  • MIL / check engine light
  • emissions-relevant
  • limp mode possible

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication