To replace the spark plugs on a six-cylinder Avenger, you will need to remove the intake plenum. The process is straightforward once you watch the video that you will find in this article.
Plan on 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 anyone of the spark plugs or ignition coil fails completely, 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.
The owner's manual recommends that you replace the spark plugs every 100,000 miles. Note that in some cases, the spark plugs may fail and need to be replaced as early as 60,000.