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2016 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
14 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC3192Battery2Maintenance0Recalls14
P0351moderate severityPowertrain

Ignition Coil A Primary/Secondary Circuit Malfunction

on 2016 Ford F-150 5.0L V8 Coyote · RWD

What this code means

A fault is detected in ignition coil A primary or secondary circuit. This typically causes a misfire on the affected cylinder.

Symptoms

  • Cylinder misfire
  • Rough idle
  • Reduced power

Common causes

  • Faulty ignition coil A
  • Coil connector/wiring fault
  • Bad spark plug
  • PCM coil driver fault

Diagnostic steps

  1. Confirm coil A code
  2. Inspect coil A connector and wiring
  3. Test coil resistance
  4. Swap coil to verify
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