Back to 2012 Subaru Forester

2012 SUBARU FORESTER

2.5L H4AWDCVTgas
15 active safety recalls on this vehicle — view recalls
Repairs0Labor563Torque3693Fluid9DTC900Battery0Maintenance0Recalls15
P0312high severityPowertrain

Cylinder 12 Misfire Detected

on 2012 Subaru Forester 2.5L H4 · AWD

What this code means

Misfire detected in cylinder 12.

Symptoms

  • Check Engine Light
  • Rough idle

Common causes

  • Worn plug #12
  • Faulty coil
  • Faulty injector

Diagnostic steps

  1. Swap coil
  2. Inspect plug
  3. Test injector

Repair notes

Diagnose cylinder 12.

Other Powertrain codes on this vehicle

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