P0364 Fault Code

Ignition Coil L Primary/Secondary Circuit

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0364 fault code indicates an issue with the ignition coil L primary/secondary circuit. This can lead to a malfunction in the ignition system, impacting engine performance and efficiency. The ignition coil is crucial for converting the vehicle's battery voltage to the high voltage needed to ignite the air-fuel mixture in the engine's cylinders.

What are the symptoms of the P0364 code?

Vehicles experiencing the P0364 code may exhibit the following symptoms:

• Check Engine Light illuminated on the dashboard
• Engine misfires or runs rough
• Reduced engine power or performance
• Difficulty starting the engine
• Increased fuel consumption

What causes the P0364 code?

Common causes for this fault code include:

• Faulty ignition coil L
• Damaged wiring or connectors in the ignition circuit
• Faulty Engine Control Unit (ECU) or software issues
• Poor ground connection or short circuits
• Corrosion or dirt in the connector pins

How to fix P0364?

To resolve the P0364 fault code, consider the following steps:

• Inspect ignition coil L for any physical damage and replace if necessary.
• Check and repair wiring and connectors related to the ignition coil circuit.
• Test the ECU for any software issues and update if required.
• Ensure that the ground connection is secure and free from corrosion.
• Clear the fault codes and perform a test drive to verify if the issue persists.