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How to Change Your Renault Logan Spark Plugs: A Visual Guide for Egyptian Drivers

About our Spark Plug Inventory

Spark plugs are essential components of your Renault Logan's engine, playing a crucial role in the combustion process. They ignite the air-fuel mixture, powering your vehicle. In Egypt's hot and dusty climate, maintaining your spark plugs is even more critical. Dust and high temperatures can accelerate wear and tear, leading to reduced engine performance and fuel efficiency. This guide provides a step-by-step visual tutorial on how to change your Renault Logan's spark plugs, ensuring optimal engine performance and longevity. We will also emphasize the importance of using genuine Renault parts (Bosch Spark Plugs), which are designed to withstand the rigors of Egyptian driving conditions.

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When to Change Spark Plugs

The recommended spark plug replacement interval for the Renault Logan is typically between 30,000 to 50,000 kilometers, depending on the type of spark plugs used. However, Egypt's climate can shorten this lifespan. Keep an eye out for these common symptoms of worn or faulty spark plugs:

  • Misfiring: Your engine may hesitate or stumble, especially during acceleration.
  • Rough Idling: The engine may vibrate or run unevenly when the car is stationary.
  • Poor Fuel Economy: You may notice a decrease in your car's fuel efficiency.
  • Difficulty Starting: The engine may take longer to start, or fail to start at all.
  • Check Engine Light: The "Check Engine" light on your dashboard may illuminate.

If you experience any of these symptoms, it's time to inspect and potentially replace yours with Bosch spark plugs.

Tools and Materials Needed

Before you begin, gather the following tools and materials:

  • Socket wrench
  • Spark plug socket (appropriate size for Renault Logan)
  • Torque wrench
  • New spark plugs (genuine Renault parts recommended)
  • Extension bar (optional)
  • Dielectric grease (optional)
  • Clean rag

Step-by-Step Guide

  1. Safety First: Ensure the engine is cool. Disconnect the negative terminal of the battery.
  2. Locate the Spark Plugs: On the Renault Logan, the spark plugs are typically located under the ignition coils, which are connected to the top of the engine.
  3. Remove the Ignition Coils: Carefully disconnect the electrical connectors from the ignition coils. Use a socket wrench to remove the bolts securing the coils. Gently pull the coils straight up to remove them.
  4. Remove the Spark Plugs: Insert the spark plug socket into the spark plug well and loosen the spark plug. Use an extension bar if necessary. Carefully remove the spark plug.
  5. Inspect the Spark Plugs: Examine the old spark plugs for signs of wear, damage, or fouling. This can provide valuable insights into your engine's condition.
  6. Install the New Spark Plugs: Apply a small amount of dielectric grease to the ceramic insulator of the new spark plug (optional). Carefully thread the new spark plug into the spark plug well by hand to avoid cross-threading. Use the torque wrench to tighten the spark plug to the manufacturer's specifications.
  7. Reinstall the Ignition Coils: Place the ignition coils back into their respective positions and secure them with the bolts. Reconnect the electrical connectors.
  8. Reconnect the Battery: Reconnect the negative terminal of the battery.
  9. Start the Engine: Start the engine and listen for any unusual noises or misfires.

Tips for Egyptian Drivers

  • Due to the high levels of dust in Egypt, consider inspecting your spark plugs more frequently.
  • Use genuine Renault spark plugs, which are designed to withstand the harsh conditions.
  • When buying spare parts, always buy from trusted suppliers.
  • Consider having a mechanic check your work, if you are not comfortable performing this task.


Changing your Renault Logan's spark plugs is a straightforward maintenance task that can significantly improve your vehicle's performance and fuel efficiency. By following this guide and using genuine Renault parts, you can ensure your engine runs smoothly in Egypt's challenging climate. If you have any questions or concerns, consult with a qualified mechanic.