OBD Guide

P2320

Ignition Coil G Secondary Circuit

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Misfire in cylinder G
  • Loss of engine power
  • Increased fuel consumption
  • Rough engine idling
  • Difficulty starting the engine

Causes

  • Cylinder G ignition coil malfunction
  • Open or shorted coil secondary circuit
  • Ignition coil insulation breakdown
  • Faulty spark plug in cylinder G
  • Problems with the wiring harness or connectors

How to Fix

  1. Visual inspection of the ignition coil and its connections
  2. Checking the ignition coil resistance
  3. Diagnostics of the spark plug in cylinder G
  4. Replacing a faulty ignition coil
  5. Checking the integrity of the wiring harness

Related codes

Error P2320 by Vehicle Brand