Replaceing spark plugs on a Lexus 2JZ-GE engine?

I have been tasked with replacing the spark plugs on my sons 1998 Lexus GS300
with the 2JZ-GE
engine.  My son states that the fuel injection components above the spark plugs
must first be
removed,  Upon my inspection it appears the plugs can be replaced with just
removing the front
plastic cover and not removing the ignition coils, is this correct??  As a
aside, our son has had
an accident that prevents him from doing the work and he has no confidence in
the Lexus dealer
which is over 200 miles distant.  Any help or suggestions
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Thank You  kgsAT@mailsp.net

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