OBD Guide

P2334

Ignition Coil L Primary Control Circuit High

P2334 is an OBD-II diagnostic trouble code meaning: Ignition Coil L Primary Control Circuit High. Common causes: faulty ignition coil, open or short circuit in wiring. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Misfire in a specific cylinder
  • Loss of engine power
  • Increased fuel consumption
  • Rough engine idling
  • Check Engine Light Illuminates

Causes

  • Faulty ignition coil
  • Open or short circuit in wiring
  • Poor contact in coil connectors
  • Malfunction of the ignition control module
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the condition of the ignition coil
  2. Inspect wiring and connectors for damage
  3. Check the resistance of the primary winding of the coil
  4. If necessary, replace the ignition coil
  5. Check the operation of the ignition control module

Related codes

Error P2334 by Vehicle Brand

FAQ

What does the P2334 code mean?

P2334 is an OBD-II diagnostic trouble code that indicates: Ignition Coil L Primary Control Circuit High

What causes a P2334 error code?

The most common causes of P2334 include: Faulty ignition coil; Open or short circuit in wiring; Poor contact in coil connectors; Malfunction of the ignition control module.

How do I fix a P2334 diagnostic trouble code?

To fix P2334: Check the condition of the ignition coil. Inspect wiring and connectors for damage. Check the resistance of the primary winding of the coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2334?

Limited driving only, diagnose soon

How much does it cost to fix P2334?

The estimated repair cost for P2334 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat