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2011 LINCOLN MKX
3.7L V6•AWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor957Torque6412Fluid16DTC2254Battery2Maintenance0Recalls3
P2300high severityPowertrain

Ignition Coil A Secondary Circuit Insufficient Ionization

on 2011 Lincoln MKX 3.7L V6 · AWD

What this code means

The ignition system detects insufficient combustion ionization current on cylinder 1 coil.

Symptoms

  • Misfire on cylinder 1
  • Check engine light
  • Rough running

Common causes

  • Worn spark plug
  • Failed ignition coil
  • High resistance plug wire
  • Compression issue

Diagnostic steps

  1. Check spark plug condition
  2. Measure coil secondary resistance
  3. Compression test
  4. Inspect plug wire

Repair notes

Replace spark plug first. Replace coil if fault persists.

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