vs
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.
Pros: worked fine, very durable
Cons: low-rpms hesitation
Vehicle:
Lexus
Mileage: 415000 km
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.
Pros: very easy, zero issues
Vehicle:
Audi S3
Mileage: 60000 km
Toyota sounds like great deal if they actually use OEM plug (DENSO iridium). That part alone is \\~$18 each (you need 6).
Pros: great deal, OEM plug
DENSO , Iridium Long Life, SK20HPR-L11 Spark Plug
Pros: Iridium Long Life
Vehicle:
Subaru
Part number: SK20HPR-L11
I would stick with the specd Denso, leave the coils alone.
Vehicle:
Toyota Prius
I recently was having a misfire in cylinders 2/3, and new plugs and ignition coils cleared it up.
Pros: cleared up misfire
Currently will be doing all fluids, filters and spark plugs so the car is properly serviced.
Pros: properly serviced
Vehicle:
Audi RS5
Mileage: 155000 km
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.
Pros: stopped shaking for days
Cons: shaking came back
Vehicle:
Lexus
Mileage: 96560 km
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.
Cons: bad gas mileage
definitely not ok, they are spent, also Denso>NgK any day of the week
Pros: Denso better than NGK
Cons: they are spent
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