Spark plug Denso or OEM Audi
I finally changed out the OG Denso spark plugs on my wife's '10 RX350 at a shameful 415,000 kms. Wasn't idling rough but some low-rpms hesitation. Plugs still basically worked fine, though.
It\u2019s very easy. My s3 has been stage 2 on e85 for the past 60k miles and I have had 0 issues. oil change, spark plugs, etc\u2026 all done by myself and it\u2019s easy.
Toyota sounds like great deal if they actually use OEM plug (DENSO iridium). That part alone is \\~$18 each (you need 6).
DENSO , Iridium Long Life, SK20HPR-L11 Spark Plug
I would stick with the specd Denso, leave the coils alone.
I recently was having a misfire in cylinders 2/3, and new plugs and ignition coils cleared it up.
Currently will be doing all fluids, filters and spark plugs so the car is properly serviced.
Swapped the NGKs (around 60k miles on them) for new OEM Denso plugs. That stopped the shaking for about two days, then it came back.
I highly recommend avoiding anything other than exactly what is specified in your owners manual, I currently have bad gas mileage because I was too curious to see if the desno two tip would do as good as the other stuff.
definitely not ok, they are spent, also Denso>NgK any day of the week
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