P2344 moderate

Ignition Coil E Secondary Circuit Range/Performance

The P2344 code means the vehicle's onboard diagnostic system has detected: Ignition Coil E Secondary Circuit Range/Performance. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$150 - $425 (parts and labor)
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Common Symptoms

  • Check Engine Light illuminated
  • Intermittent misfire on cylinder 5
  • Slight rough idle that may come and go
  • Minor hesitation under heavy acceleration
  • Marginally increased fuel consumption

Probable Causes (Ranked by Likelihood)

  • Degraded ignition coil E with weak spark output Very High
  • Worn spark plug with excessive gap on cylinder 5 High
  • High resistance in spark plug wire or coil boot Moderate
  • Compression issue on the affected cylinder Low

Step-by-Step Diagnostic Procedure

  1. Scan for P2344 and review misfire history and freeze frame conditions

  2. Compare ignition coil E secondary output with other coils using a spark tester

  3. Inspect and replace spark plug on cylinder 5 if worn beyond specification

  4. Perform a relative compression test to rule out mechanical issues on cylinder 5

Frequently Asked Questions

What does P2344 mean?

P2344 means ignition coil E on cylinder 5 is producing spark that falls outside the expected performance range. The coil may be weakening but not fully failed.

Can I drive with P2344?

Yes, for short distances. The misfire may be intermittent, but continued driving can worsen the coil condition and damage the catalytic converter over time.

How much does it cost to fix P2344?

Costs typically range from $150 to $425, depending on whether the coil, spark plug, or both need replacement.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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