Question about 2001 Mitsubishi Eclipse

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How to change sparkplugs on 2001 eclipse

How to change sparkplugs on 2001 eclips, basically where are they and how to get to them

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  • yadayada
    yadayada May 11, 2010

    they are on the top of the engine in the cylinder head, have no idea what engine u ave.


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Ok so I don't know if you have a 4 or 6 cyl it WILL make a difference typically on a six cyl you will find three left three right just about the exaust manifolds.. U will know because they have wires attached to each and every one... Do not remove this being your first time and all with out labeling them with tape etc in which order you removed them.. You will need a spark plug socket and Ratchet. You will have to buy the appropriate size at the parts store when you go in to get your spark plugs.... To find the correct size write down the info from the top of the head... Doch etc etc should say the liter and if it is a single head going left to right in there then you have a four cyl. in which case there will be four wires just to the rear of the fuel rail you will notice there are a couple of bolts holding the boots and ingnition coil in place remove them and then the wires. pull strait up slowly you will usually hear it pop when the seal is broken. Depending on how many miles you have may be a good idea to change the wires as well as they do wear with age.. typically I would say every fifty to seventy thousand miles... Spark plugs should be changed yearly to maitain good fuel economy. The wires on the other hand are dependant upon the extent of use of vehicle if it is always under diress in stop and go and such think about having them checked earlier. The plugs themselves are not to tough but can sometimes be difficult to break loose, be sure to hold extension and ratchet still as you try to turn to the left. This will ensure a succesful removal as for the replacement get the plugs gapped to your car, if not available get NGK I love them burn hot give a little boost in performance... They should be dead on for gap. just give them the correct info on your engine size and year. Putting them back in is important do not tighten too far tighten till snug then push three quarter turn past that.. Main thing is don't make them too tight and do not leave them loose,,,, One suggestion, after a week has past I find Aluminum heads have a tendancie to shrink and swell a lot you should check that they are still secure after one week: ) Good luck!!!
Don't let anyone tell you you can't handle it I am self taught and have been donig my own maintenance since I was fifteen.. Now 29 it can be done: ) ?'s you can write..

Posted on Mar 15, 2009

  • adahjg1279 Mar 15, 2009

    More I think about it I should have told you about turning them backwards a little until you feel it seat then turn it clockwise into place i like to do this with just the extension and socket.. you can feel better, then add the ratchet and tighten just be careful not to tighten too much... Good luck!


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