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is a K&N air filter worth it?

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Old 08-22-2012, 08:18 AM
  #21  
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Originally Posted by nateo1979
No not really! The oil on the filter gets the maf sensor dirty and will set off the check engine light and give faulty readings and the engine will run lean telling the computer to dump more fuel.
Oil it properly and you wont have any issues. Jeep JKs dont have MAF sensors anyways. At least the 3.8s dont.
Old 08-22-2012, 08:20 AM
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I had one it was a cold air intake it worked great I upgraded to an airaid same idea but still worked and sounded mean
Old 08-22-2012, 08:21 AM
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Originally Posted by Blakspire

Oil it properly and you wont have any issues.
I promise I did LOL!
Old 08-22-2012, 08:22 AM
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Originally Posted by Blakspire

Oil it properly and you wont have any issues. Jeep JKs dont have MAF sensors anyways. At least the 3.8s dont.
What's the sensor in the rubber tube 4 inches from the throttle body? Sorry its a IAT sensor I was wrong sorry blakspire your right my bad...

Last edited by nateo1979; 08-22-2012 at 08:40 AM.
Old 08-22-2012, 11:47 AM
  #25  
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There are alternatives, AEM or AFE (don't recall which, or maybe both) make a dry filter that can be cleaned and reused. The one that comes to mind is called DryFlow, no oil, but can be cleaned with soap and water, or their special cleaner. They claim better filtration than the oiled filters. They are all about the same cost initially.
Old 08-22-2012, 12:58 PM
  #26  
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I have about 300K miles on 3 rigs using those filters. No problems. Its important to maintain them at the recommended interval or sooner.

If the filter isn't correctly oiled or it doesn't fit well in the filter housing then some dirt leakage could get past the filter.



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