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					Originally Posted by rp17  I'm not sure if I ever heard of the chirping noise linked to spark plugs.  But I'm no mechanic.  You would probably end up with a check engine light if it were really loose.  Tightening the spark plugs is pretty staight forward.  Tight area to work in  but with a swivel socket and patience you can get the job done.
 Hopefully others can chime in to help on what causes the chirping noise.
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Actually, you will not get a CEl for a loose plug, just a lot of chirping or whistle noise....
		 
				__________________“Anything really new is invented only in one’s youth.  Later, one becomes more experienced, more famous – and more stupid.”  - Albert Einstein
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