Stick a set of Denso Iridiums in. They have worked well in mine for the last 25k miles. All the gen is in the pic at #1.
Have 47k miles on my 3200. Can't see any record of it having spark plugs changed.
Car is running great.
Would there be any need to change the plugs ?
Car is a 2000 manufacture.
Don't think so, I know one Denso guy had issues, resolved when back to NGKs
P
Plugs should be changed every 2 years on the service, so as long as you have a full service history the plugs will have been regularly changed.