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2023 G70 2.0 va 3.3 spark plug replacement

Needlz78

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Joined
Feb 24, 2025
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Genesis Model Year
2023
Genesis Model Type
Genesis G70
Anybody know the price I should expect for the dealer replace spark plugs for 2023 G70 2.0 T. I see different dprices but I believe that’s for the 3.3. I’m wondering if the 2.0 replacement is way easier than the 3.3. My friend said he could probably do it for free but I don’t want to mess with warranty. I see some saying you need to remove the manifold but I’m wondering if that’s only for the 3.3T
 
Plugs on the 2.0T are pretty easy DIY. 3.3T, not so much. Dealer's gonna charge hundreds for the 2.0T and over $1k for the 3.3T. Plug #3 on the 3.3T generally needs the plenum to come off, but I did see a YT where some guy was able to work it out. However, my son, who was a mechanic in the Army for 8 years, decided it was easier to take the plenum off. I had about 46k miles on my G70 3.3T when it started to mis-fire. It was cylinder #5, so we decided to replace all the plugs and #5 coil.
 
Plugs on the 2.0T are pretty easy DIY. 3.3T, not so much. Dealer's gonna charge hundreds for the 2.0T and over $1k for the 3.3T. Plug #3 on the 3.3T generally needs the plenum to come off, but I did see a YT where some guy was able to work it out. However, my son, who was a mechanic in the Army for 8 years, decided it was easier to take the plenum off. I had about 46k miles on my G70 3.3T when it started to mis-fire. It was cylinder #5, so we decided to replace all the plugs and #5 coil.
Thanks for the quick reply. That’s why my best friend said he would do it for free, I just need to pay for the parts. I just don’t want that to void my warranty if somehow my engine ends up having an issue which is totally not related to us changing the spark plugs. Maybe I should contact customer care and ask if my warranty gets voided.
 
Your warranty would only be voided on something "you" screwed up changing the plugs. Like maybe you busted a wire on the coil pulling out. Or you dropped something in the intake with the plenum off. Or if you put in some wrong spark plugs. Just be careful and you'll b\e fine.
 
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