http://www.supercar-engineering.com/rubberducky/3S/Maint/All/Plugs/index.html
NGK platinum plugs
how to change number 6 spark plug on a 2006 mitsubishi galant
To replace the spark plugs on a 1992 Mitsubishi 3000GT, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the ignition coils by unscrewing them and disconnecting the electrical connectors. Then, using a spark plug socket, carefully remove the old spark plugs and replace them with new ones, ensuring they are gapped correctly. Finally, reassemble the ignition coils, reconnect the battery, and start the engine to check for proper operation.
2002 galant , can't find the spark plugs
When changing the spark plug gaps it is important to remember the gap size. The gap size for a 2003 Mitsubishi Galant 4 cyl spark plugs is 0.044 inches.
It could just be a bad spark plug wire or the spark plugs need changing.
It is important to remember the gap when changing the spark plugs of a car. For the 1987 2L Mitsubishi L200 Pick up, the gap size is .045.
Four.
Obviously- the spark plugs were not the issue :)
Six
The 2000 Mitsubishi Mirage typically has four spark plugs, as it is equipped with a four-cylinder engine. Each cylinder requires one spark plug for proper ignition. If it has a different engine configuration, the number of spark plugs may vary accordingly.
You must remove the entire intake manifold for you to have access on the three spark plugs located underneath it. it is advisable that a qualified Mitsubishi technician should do this.