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2016 HONDA CIVIC
1.5L I4 Turbo•FWD•CVT•gas•turbo
5 active safety recalls on this vehicle — view recalls
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Repairs403Labor503Torque3385Fluid7DTC1613Battery1Maintenance0Recalls5
P0266high severityPowertrain

Cylinder 2 Contribution/Balance

on 2016 Honda Civic 1.5L I4 Turbo · FWD

What this code means

The PCM detects that cylinder 2 is not contributing its expected power or fuel balance. This indicates uneven cylinder performance.

Symptoms

  • Rough running
  • Power imbalance
  • Vibration

Common causes

  • Faulty cylinder 2 injector
  • Low compression on cylinder 2
  • Injector wiring fault
  • Mechanical engine issue

Diagnostic steps

  1. Scan and note balance data
  2. Perform cylinder contribution test
  3. Check compression on cylinder 2
  4. Repair injector or address mechanical fault
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