vs
Ignition coil HITACHI or Duralast
I went to Autozone and purchased a set of Duralast Ignition coils for $300, swapped all 4 and the car idled as good as new. I don't know if the Duralast coils will last very long, but they do have a no questions asked lifetime warranty so I can just get them replaced everytime it goes out.
Pros: idled as good as new
Cons: longevity is unknown
Vehicle:
Kia
Mileage: 108000 km
I’ve used Duralast coil on a bmw with no issue and lasted over 60k when I sold the car. It was identical to the Delphi coil.
Pros: lasted over 60k
Cons: identical to Delphi coil
Vehicle:
Subaru
Mileage: 96560 km
I changed all 6 coils on mine for those last year and they've worked without any issues.
Pros: worked without issues
Have 2/4 duralast coils on my car and about 50k miles later they’re still fine
Pros: still fine after miles
Mileage: 80000 km
I also ordered four (4) new ignition coils from Hitachi, installed them 60 miles ago and it's been smooth since the installation. My car is quieter, more responsive, and idles better. No, check engine lights at all.
Pros: quieter, more responsive, idles better
Mileage: 96 km
Did this conversion on my 2001 Audi A4 with a standalone. I ran it with stock (3ms) dwell and up to 5ms dwell and didnt notice any difference. I was running Hitatchi coils before and would notice slight bumps in idle. Now all I hear is smooth butter at idle.
Pros: smooth butter at idle
Cons: no noticeable difference
Vehicle:
Audi A4
The old AWD hitachi coils are far more reliable in my experience. I would not change to the awp style from the bolt downs. I have had ~8 failed AWP coils over the years on my 2001 audi/2002 gti and I have 8 hitachis now in my 2 1.8t's for a few years now and no hitachi failures. This is with track days on the gti. They also bolt down so you won't have them popping up on you whack a mole style like the awp ones sometimes do
Pros: more reliable, no failures
Cons: awp style unreliable
Vehicle:
Audi
I’m having similar jerking problems like when my plugs/coils went bad again and the mechanic suggests coils, especially if I don’t have “Honda brand” coils. How bad off are duralast coils? Autozone is switching out these ones now for free due their warranty but I know now if the car starts messing up again that I need a new brand. I drive A LOT, so I’m wondering how normal is it for duralast coils to go bad so fast? They were literally changed in the mid winter. I can imagine I drove about 10-15k miles before my car started having problems again
Cons: failed quickly, jerking problems
Vehicle:
Honda Civic
Mileage: 16093 km
In January 2021, with about 40k miles, the coils went bad. I replaced them with quality Duralast coils (made by Bosch) and new iridium spark plugs. Fast forward 6 months, and I had a misfire again in cylinder 2, so I am now on my 3rd set in less than a year. The Duralast coils have a lifetime warranty, so whenever they go bad, I can just swap them out at Autozone for no money, and it takes all of 10 minutes to swap them. But I dont want my car misfiring and breaking down at an inopportune time.
Pros: lifetime warranty, easy replacement
Cons: repeated misfires, frequent failure
Vehicle:
Hyundai Sonata
I myself have tried Duralast brand coils on 3 different vehicles. They were all crap. Either they didnt last very long. Or were faulty right out of the box. I dont like to use the Duralast brand in general. Have had to many bad experiences.
Cons: did not last, faulty
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