If you look on top of the engine, you'll see a valley on top. in that valley should be 4 small black box-things. These are the ignition coils. Remove those and there are holes leading down. The spark plugs are in there.
where are the plugs located
The spark plugs are located on the side of the engine, near the bottom. A four-cylinder engine will have two spark plugs on each side. A six-cylinder engine will have three spark plugs on each side.
The plugs are located under the coils on top of the valve covers. You will need to remove the coils to access the 16 spark plugs.
A 2007 Toyota Prius has 4 spark plugs.
4 Spark plugs
Yes, all gasoline engines must have spark plugs. Only diesel engines do not require spark plugs.
NGK CR9EK spark plugs, four total
To replace the rear spark plugs of a 2007 Arcadia, you will need to lift the car and replace the spark plugs from the bottom. You will also need to lower the front cradle for proper installation. This will allow easy access to remove and replace the spark plugs.
The correct gap on spark plugs for a 2007 Hyundai Accent Is .044"
Please refer to my contributions (Iain01) on this subject, posted on 5th May 2007.
i believe it 0.32
4