Mitsubishi Mirage Spark Plug Ignition Coil Replacement Guide

Replacing Mirage Spark Plug and Ignition Coil

Is your Mitsubishi Mirage engine misfiring due to a faulty spark plug/ignition coil? Learn how to fix the problem by replacing your Mitsubishi Mirage’s spark plugs and ignition coil. This guide provides step-by-step instructions on changing the spark plugs and ignition coils for Mitsubishi Mirage equipped with the 1.2L three-cylinder engine.

Replacing Mirage Spark Plug and Ignition Coil

Video

Interval

The recommended spark plug replacement interval for Mitsubishi Mirage is 63,000 miles on engines that use iridium spark plugs. If copper spark plugs are used, replace the spark plugs every 30,000 miles.

What you will need

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【Reference Number】1832A057, 49121, C926, C-926, UF815, UF-815
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  • Spark Plugs – Iridium Spark Plug
    • Gap 0.044 (in)
    • Options:
      • Bosch FR7SI30 0242235769
      • NGK 93298 LZFR5BI-11
  • Ignition Coil – Only replace if faulty.
  • Spark plug socket
  • Magnetic pickup tool
  • 4″ or longer 3/8 Extensions
  • 3/8″ Ratchet wrench
  • Spark plug gap tool
  • Clamp plier

Procedure

  1. Park the vehicle on level ground and allow the engine to cool down. Mitsubishi Mirage G4 2020.Pull the hood release under the driver’s seat and open the hood.Opened hood of the Mitsubishi Mirage.
  2. Disconnect the negative terminal of the battery. Loosen the 10mm bolt on the terminal and pull it out to disconnect the battery terminal. Disconnecting the positive terminal is not necessary once the negative has been disconnected.  Battery of the Mitsubishi Mirage G4.Disconnect the positive and negative battery terminal.
  3. Remove engine cover/air filter/hoses above or connected to the top of the engine. Use a clamp plier and screwdriver to remove the clamp on the hoses. Then use a ratchet wrench with an extension to remove the nuts holding the engine cover.The connector of the mass air flow,Removing the hose connected to the engine.Removing the hose connected to the engine.Remove the hose and clips connected to the engine.

    Remove the hose connected to the engine cover. Use a clamp plier and screwdriver to remove the clamp and spring clamp on the hose. Disconnect the mass airflow. Just press on it to unlock it, then pull it out.

    Removing the bolts holding the engine cover.

  4. Unplug the three electrical connectors from the ignition coil by pressing it down and pulling out the connector. The 3 electrical connectors from the ignition coilPushing the clip down then pulling it out.Press the electrical connector, then pull it out to disconnect them.
  5. Remove the ignition coil. Remove the 10mm ignition coil bolts using a ratchet wrench and remove the ignition coil by moving it up and out. Inspect the ignition coil if there are cracks or breaks in them.Removing the 10mm ignition bolts.Removing the 10mm ignition bolts. Removing the 10mm ignition coil bolts.Removed ignition coil of the Mitsubishi Mirage G4.
  6. Remove the spark plug. Use a 5/8 spark plug socket to loosen the spark plug and remove the spark plug from the engine using the magnetic pickup tool.The spark plug of the Mitsubishi Mirage.Loosen the spark plug by using a spark plug socket. Loosen the spark plug by using a spark plug socket.
  7. Spark plugs should be pre-gapped. It is recommended to verify the spark plug gap before installation.Checking the new spark plug.
  8. Install the new spark plug and torque them to specification. When installing the new spark plugs, do not allow the new spark plugs to drop down as this may lead to the spark plug tip damage. Putting in the new spark plug of the Mitsubishi Mirage G4.
  9. Reinstall the ignition coils. Do not switch the connectors between ignition coils. Reinstalling the ignition coils.
  10. Reinstall the engine cover and other hoses that were disconnected. Reconnect the battery terminals. Negative should be connected last. Reinstalling the engine cover and other hoses that were disconnected.
  11. Start the engine and let it idle. Make sure the check engine light doesn’t come on.
  12. If ABS and traction control lights are on, turn the steering wheel to the left and then to the right. Repeat it twice, then drive for five minutes to reset those warning lights.

Torque Specifications

Spark Plug

  • M14 (Gas)    20N・m    If the cylinder head material is cast iron
  • M14 (Gas)    17.5N・m    If the cylinder head material is aluminum
  • M18 (Gas)    30N・m    If the cylinder head material is cast iron

Ignition Coils

  • 7 ft-lbs

We hope you find the Mitsubishi Mirage Spark Plug Ignition Coil Replacement Guide helpful. Check these troubleshooting and repair guides for more help on your Mitsubishi Mirage.

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