spark plug replacement on 2003 Toyota Sequoia

how do you change spark plugs on 4.7 toyota sequia engine were are they located

by in Staunton, VA on August 11, 2013
2 answers
ANSWER by on August 11, 2013
i would let a repair shop doing the replacement if you can't locate a spark plug.
ANSWER by on August 11, 2013
This, what seems to be a simple procedure, is not. Let a PAT(PROFESSIONAL AUTO TECH) do the job.
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Last time I did it was about 7 monthes ago but my question is do I need to change the oil filter and spark plugs too? On the last tuneup I did change them
oil was checked and was sufficient, afraid to drive it.
I am out of the country and want to purchase all the necessary parts for my tune up, I have never had the spark plugs changed or any other major engine service other than oil changes