Quote:
Originally Posted by JWoj3540
Hey everyone,
In general, how often do you/should you change your plugs? I realize the first place to look is the owner's manual, but in my mercury sable, for example, it specifies a plug/wire change at 100,000 miles and that's it (book only goes to 150,000 and I'm at 170,000). They obviously put long-life plugs in the car at original assembly. Since I'll just be buying some AutoZone baseline plugs from now on should I change them every 30,000…50,000…75,000?
Also, do you change the wires every time you do the plugs too?
Thanks.
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It's a lot like oil-changes, I imagine...."maintenance period may vary"....depending on how you drive you could want to change them every 100,000 miles, or every 10,000!!
I'd say a good rule of thumb (for the generic-brand plugs, now) would be to pull one or two out every 10 - 20 thousand miles and inspect them.
But...why not just spend a few extra bucks for OEM plugs when it comes time for replacement, and not worry about it for 100,000 more miles?
