Powertrain Definition only Lights the check engine lamp

P2E5A: Cylinder 2 Alternative Fuel Misfire Detected

Standardized SAE J2012 code · P2Exx codes

What does P2E5A mean?

Misfire detected on cylinder 2 during alternative fuel operation. Specific to bi-fuel CNG/LPG operation.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

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

Common causes

  • High Injector clogged or weak
  • Medium Fuel quality off-spec

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2E5A on the same make and model first.

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