Code result

P2326

Ignition Coil I Secondary Circuit

Moderate severity

What it means

A fault is detected on the secondary (high-voltage) side of ignition coil I. The spark delivered to the plug is missing or too weak, causing a misfire on the cylinder served by coil I. Causes: a worn spark plug or wide gap, a cracked coil or boot, carbon tracking, or an open or leaking secondary winding.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Spark plug worn or fouled

    high

    One of the most commonly reported causes for this code — check this first.

  • Secondary breakdown inside coil I

    medium

    A plausible cause — test and verify before replacing parts.

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