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Old 11-07-2013, 08:42 PM   #1
lyonidas13
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Denso or Weapon X Ignition coils??

So im looking at purchasing new Coils for my Duratec 23. The two choices ive decided on are OEM Denso coils or upgrade to Weapon X level 2 efx coils. I read somewhere on the forum that the weapon x coils don't really do much but there only about 40 bucks more than the Denso's(on Rockauto.com)

I was just looking for some input or suggestions before I made the decision. Im mainly concerned with performance and longevity of the coil. Also if anyone recommends any other type or coil please let me know!

thanks


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Old 11-07-2013, 09:03 PM   #2
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Stock coils are good for any power level youll ever reach. Weapon X are pretty but thats it

Do you need new ones? Usually its just the boots that go, if anything
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Old 11-07-2013, 10:52 PM   #3
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I'd install a set of Denso IT20's. What makes you say you have coil problems?
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Old 11-09-2013, 11:50 AM   #4
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there are some weapon x's for cheap on the forum. Check it out.
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Old 11-09-2013, 07:13 PM   #5
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Im really just looking to start replacing things on the car. Its getting pretty high in mileage (almost 192,000). I just switch to ar103's the other day and I have a fswerks intake. Ive also replaced the intake manifold gasket and motor mounts.

It is throwing two codes. One for the IMRC on the IM and the other is the p0420 code for the cat. My only complaints with it are occasional hard starting maybe once to twice a week. Ill go to start it and it will turn over but wont start so ill turn the key to off and it will start right up. It used to do this when I first got it so I cleaned the MAF, IAC valve and throttle body and it didn't do it for probably 40,000 miles. Ill clean it out some weekend when I get a little time and see what happens.

My second complaint only happens when the car is on and idling. It will make like a whirr, whirr, whirr noise like its dropping rpms for a split second. Its kinda hard to explain without actually hearing it. It doesn't happen all the time, its pretty random. I usually notice it at a stop light or something like that.
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Old 11-09-2013, 07:42 PM   #6
lyonidas13
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I forgot to mention before but when I changed out my spark plugs a couple days ago I noticed there was a dark reddish color built up on the electrode. The old spark plugs were APP 104's. It smelt like gas so im assuming its running rich but I don't know for sure. Any input on this would be great! Im wondering if this is related to my hard starting issue or p0420 code.
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Old 11-09-2013, 07:47 PM   #7
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Quote:
Originally Posted by lyonidas13 View Post
My only complaints with it are occasional hard starting maybe once to twice a week. Ill go to start it and it will turn over but wont start so ill turn the key to off and it will start right up. It used to do this when I first got it so I cleaned the MAF, IAC valve and throttle body and it didn't do it for probably 40,000 miles. Ill clean it out some weekend when I get a little time and see what happens.
I have had start up issues since I bought my car new. It is common in the foci. You will turn it over for a few cranks and it wont start. Then you turn the key to off and it will start right up. Dont worry about it.

Quote:
My second complaint only happens when the car is on and idling. It will make like a whirr, whirr, whirr noise like its dropping rpms for a split second. Its kinda hard to explain without actually hearing it. It doesn't happen all the time, its pretty random. I usually notice it at a stop light or something like that.
Check your alternator! Even if it tests out as being fine it is usually the alternator anyways. Just replace it as it is a relatively simple and easy thing to do.
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