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Spark plug Denso or OEM Volkswagen
Reviews
I put IKH24's in my car as a troubleshooting step earlier this week, due to a low RPM stutter I was getting and knowing I'd been about 15K miles on my stock plugs. They made a BIG difference in my car, much smoother idle when sitting at stoplights, and running a lot smoother under boost at lower RPM's as well. No noticeable difference in engine noise. In my case, this is likely a mix of stepping to a better plug as well as my original plugs just being weary after the ocean of extra power.
Pros: smoother idle, smoother under boost, no engine noise
Part number: IKH24
kinda smoothed out the car a bit, idles smoother as well.
Pros: smoothed out car, idles smoother
The coils I replaced with oem and the spark plugs Denso IKH24.
Pros: replaced coils and plugs
Vehicle:
Volkswagen
Part number: IKH24
Also, did you even replace the spark plugs with Denso IKH24's? Probably not and that is REQUIRED in order to run correctly.
Pros: required to run correctly
Vehicle:
Volkswagen
Part number: IKH24
On 02/18/2016 I switched the plugs with the Denso IKH22 at 15800miles. Jetta is more rev happy. No slow down throughout rev range, and no more pause hesitation between 3.8k-4k RPM. Just pulls, and pulls even harder. Also idle very smoothly.
Pros: more rev happy, no hesitation, smooth idle
I switched to the Ikh24 and it really smoothed the car out.
Pros: smoothed car out
Part number: IKH24
Replaced my OEMs this summer to Denso K16GPR-U11 and has been getting really good mileage and smooth idling since then. Now planning to try NGKs next time.
Pros: good mileage, smooth idling
Vehicle:
Volkswagen
Part number: K16GPR-U11
Can't beat the 2.5 for hassle free reliability. Economy sucks, though. I have had my 130k mile 2.5 Rabbit since new and I have never averaged more than 25-26mpg in mixed driving, but on the other hand I haven't done much more than oil changes and spark plugs on it.
Pros: hassle free reliability
Cons: economy sucks
Vehicle:
Volkswagen
Mileage: 209215 km
Changing the plugs from bkr7e's to denso ik27's helped a bit too.
Pros: helped a bit
I tried the denso IK20 and had nothing but misfires.
Cons: nothing but misfires
Part number: IK20
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