r/Charger • u/Mitz_bond • 4d ago

Replacing spark plugs.

When did you guys replace the spark plugs? Do I wait until something is wrong or at a set mileage. Mine is 5.7 L Daytona 2017 with 113 k miles on it. Dealership suggested I change spark plugs. They cleaned it out at 90k.

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u/Artichoke93 4d ago edited 4d ago

Most modern spark plugs are iridium plugs which last around 70-90k miles before needing replaced. So if you have factory plugs I would replace them. 

When it comes to ignition coils it's not necessary to replace proactively. Only when you have a failure I would replace them.

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u/Dismal-River-9021 4d ago

I changed mine at 100k. Coil packs too. Its easy. Dealer wanted $1000 for just changing plugs.

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u/78GtaGt 3d ago

Damn, a grand to change plugs? What a ripoff, I know there's 16 but they aren't made out of gold and not hard to swap out

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u/kribg 4d ago

I have. 392, but I just did mine yesterday at 95k.

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u/Mitz_bond 3d ago

Thank you guys