Remove the old plugs, install new plugs.
Factory recommendation to change the spark plugs on a 2000 Toyota Avalon is 120.000 miles.
The 2000 Toyota Avalon spark plugs can be located on each side of the engine. The spark plugs will be near the bottom of the engine. There are three spark plugs on each side.
6
under the hood
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Open the hood and you will fidn them. DO not think they are in the trunk :)
Below the Ignition coils on top of the engine.
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How do you change spark plugs in a 6 cly Toyota Camry?
To change spark plugs on a 1994 Toyota Camry, remove the black shafts. The spark plugs are down the four holes. Use a socket set with extension to reach the spark plugs. Replace old spark plugs with new ones.