Hey its pretty easy they are under a thin covering on top of the middle of the engine. it will say ecotech on it or something. it should come off easy. i dont have one as all it does is cover the coil pack. make sure the engine is off before doing anything with spark plugs. the coil pack is a black rectangle shape. as far as i can remember there might be a couple of 10mm nuts to come off to allow the coil pack free. ratchet and a 10mm should do the trick. once they are off the coil pack can come out. its rubber inside so sometimes does need a good pull to come out. they shoud all be attached to each other. if you look into the hole where they came out and you will see the spark plugs. they are screwed in and you will need a 16mm socket and long extension to get them out. you may need a magnet to get them out once they are free. check you have the right spark plugs to go back in, and they go the right way in and the gap is not closed at the bottom. drop them in to the holes. take just the extension and socket and slowly start to tighten them up. you should be able to do this for a while before it goes tight. then add the rachet in. (to prevent threading the spark plug) they do not need to go too tight. once you feel it tight give it an extra nip and thats it. once they are all tightened replace the coil pack and make sure its down properly before putting the 10mm nuts back on. put the cover back on. start the engine to see how it runs. if it sounds funny the coil pack is either not on properly or a spark plug is not in right. ( too loose or threaded) the last thing you want to do is thread a spark plug. or the gap is closed at the bottom of the spark plug. it shouldnt be too expensive to take to a garage to get done to be honest.
youtube it or google image to help you more.
hope this helps = )
Debbie
June 2010
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