vs
Spark plug Autolite or Denso
I got some good tips from the community and went with Denso IKH24. Also bought a gap tool to properly gap them. Im planning on swapping them out every 8k.
Pros: good tips from community
Mileage: 8000 km
Part number: IKH24
Almost everyone either runs the HKS plugs or Denso plugs. I personally have had no issues running the Denso plugs.
Pros: no issues running
I use [Denso IKH24's](https://www.fcpeuro.com/products/audi-vw-spark-plug-denso-ikh24). It's the projected tip version of the Denso plug EQT has recommended on their FAQ (IKH01-24).
Pros: readily available, FCP warranty
Vehicle:
Volkswagen
Mileage: 10000 km
Part number: IKH24
I used them in my 2007 Tacoma with no problems. Left them in for several years.
Pros: no problems
Vehicle:
Toyota
I put autolite's in my 2010 V6 and they've been perfectly fine.
Pros: perfectly fine
Vehicle:
Ford
Use only Honda specified plugs (usually Denso Iridium) and they last 100,000 miles just fine.
Pros: long lasting
Vehicle:
Honda
Mileage: 160934 km
Back in March two days after finishing the Water Pump replacement it started misfiring. I started with replacing the spark plugs with OEM Denso's, but that didn't fix it but was VERY NECESSARY.
Pros: necessary replacement
Cons: didn't fix misfiring
My dad just returned a set of autolites. I installed them and had immediate misfire.
Pros: easy to install
Cons: immediate misfire
Once we got a good local supplier for Motorcraft plugs a few years ago we almost never install Autolite.
Pros: good local supplier
Cons: almost never install
There seems to have been quality issues with those for quite a while. I couldn't count how many times we removed fairly new Autolite spark plugs and replaced them with a better brand to fix a misfire.
Pros: fixes misfire
Cons: quality issues
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