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P0351: Ignition Coil "A" Primary/Secondary Circuit

Severity: Medium Drive gently and get it diagnosed soon.

What does P0351 mean?

There is an electrical problem in the circuit for ignition coil A (usually cylinder 1).

Generic OBD-II definition: Ignition Coil "A" Primary/Secondary Circuit. Confirm applicability in your vehicle service information.

Common causes

  • Failed ignition coil
  • Damaged wiring or connector

Symptoms

  • Misfire on that cylinder
  • Rough running

Can I keep driving with P0351?

Severity: Medium Drive gently and get it diagnosed soon.

If the check engine light is flashing or the car runs badly, stop driving and have it checked.

Typical fixes

  • Inspect connector
  • Swap coil to test
  • Replace coil

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