How to Replace Spark Plugs on 2000-2009 Toyota Avensis

Spark plugs are not designed to last forever and at some point they’ll reach their life ending due to carbon deposits on the tips or a crack in the ceramic insulation.
How to Replace Spark Plugs on 2000-2009 Toyota Avensis 1 photo
Photo: screenshot from Youtube
Replacing them is an easy task which you can do at home, all you need being the replacement ones according to your model, a 10 mm socket with ratchet, pliers and a spark plug wrench. Here are the steps:
  • Leave the engine to cool off and open the hood
  • Remove the two nuts from the plastic engine covers
  • Take out the engine cover by removing the plastic screw in the top left side
  • Disconnect the battery’s negative terminal
  • Unplug the ignition coils electric connections
  • Remove the bolts on each coil
  • Take all the coils out
  • Insert the wrench and remove the spark plugs from their holes
  • Put the new spark plugs in and carefully screw them back in
  • Mount everything back and start the engine.

This is a DIY guide and, as such, you must be aware the procedures described here involve some risks. autoevolution cannot be held responsible for any possible damage that might result while following this guide.

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