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If they’re out… Change them. There’s really no reason to put old plugs back in at the price they cost.
Yes replace them and also don’t use so many additives on the gasoline
It really depends on what the plugs are. Are they copper/nickel, iridium, platinum? All of these different plugs last different mileage copper/ nickel should be changed around 30,000 miles. Platinum last up to two times longer and iridium last up to four times longer than copper/nickel. I would check for the part number on the spark plug and look up to see what it is
Check gap and clean them. Check the spark with a lawn mower. If it’s a strong bright blue reinstall and send it.
Color is good. Gap seems a little wide.
No idea why other people are saying they’re fine. The electrode looks like it doesn’t have much left, and the gap is huge. Replace them and gap them to spec. Don’t expect any drastic increases in mpg, but more even and reliable combustion will help the longevity of your motor
The plugs look perfect. Since you have poor MPG, check your right foot.
Spark plugs are one of the few parts that I tell people that if they suspect they’re bad, just go ahead and replace them. They’re not expensive, easy to replace*, and if you don’t know specifically the last time they were replaced - you’re better off starting to keep track with a new set.
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- some manufacturers make it a pain
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Just change em bro
That center electrode looks pretty worn down to me. But my eyes are not a feeler gauge. Check with feelers to be sure.
How often does your owner’s manual say to swap plugs?
In my opinion if it’s running good leave them, get your money’s worth out of them
That electrode is GONE.
It never hurts to
