This video provides instructions on changing the spark plugs and ignition coils on Dodge Avenger with the 3.6L V6 six-cylinder engine. For more help, check out the step-by-step instructions on replacing spark plugs on the Chrysler 3.6L Pentastar engine.

You will need to remove the intake plenum to replace the spark plugs on a six-cylinder Avenger. The process is straightforward once you watch the video that you will find in this article.

Plan two to three hours to change the spark plugs on a Dodge Avenger. This may be the perfect time to replace the ignition coils as well.


Dodge Avenger models are SE V6, SXT, and R/T. Years 2011 through 2014.


Symptoms of worn spark plugs or faulty ignition coil on a Dodge Avenger.

  • Poor engine performance
  • A decrease in fuel economy
  • Check Engine Light On
  • Hesitation during acceleration

If any spark plugs or ignition coil fails, you will experience engine problems such as shaking and check engine light flashing. Always read the check engine light codes by reading the codes using an OBD2 scanner.


We hope you find the Dodge Avenger 3.6L V6 Engine Spark Plug & Ignition Coil Replacement Guide helpful. Check these troubleshooting and repair guides for more help on your Dodge. For more help, check out our Chrysler Repair and Troubleshooting Guides collection.

Replacement Interval

The owner’s manual recommends replacing the spark plugs every 100,000 miles. Sometimes, the spark plugs may fail and must be replaced as early as 60,000.

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