Replace Spark Plugs on RX300
#1
Lead Lap
Thread Starter
Replace Spark Plugs on RX300
I just joined Club Lexus and I'm happy to have found it. What are your thoughts regarding changing spark plugs on a RX300? I have a 2000 with about 60K miles. I know the manual says to replace at 90K miles, but I'm very skeptical at running plugs this long.
When do you think they should be replaced?
Thanks.
Dave
When do you think they should be replaced?
Thanks.
Dave
#2
Lexus Test Driver
Manual should say to replace at 120k. The few posts I read by those who did change at 120k claimed they looked brand new. I plan to get at least 120k out of mine.
#3
Lead Lap
Thread Starter
Thanks. I checked my manual and you're correct, it shows 120K miles. Maybe I'll change them at around 70K miles. I realize the plugs are supposed to operate at 120K miles, but I've heard too many people having problems with plugs being frozen in the block because they waited until the manufacturers' recommended time to replace them.
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