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OBD-II Code

P0278 — Cylinder 6 Contribution Balance Fault

Cylinder 6 is contributing less power than the others

System Engine
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P0278 mean?

Cylinder 6 is contributing less power than the others

Common symptoms

  • Strong vibration
  • loss of power

Possible causes

  • Low compression
  • weak injector
  • ignition failure

Initial recommendation

Perform compression test and inspect injector and ignition coil.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine code P0278 with your vehicle's actual symptoms for more complete diagnostic guidance.

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