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Old 05-12-2008, 05:50 PM   #1
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MAF reset

I scoured the whole forum 'cause I saw it said somewhere before but I couldn't find the answer to two questions. First, when you put in a K&N oiled air filter, or the whole CAI system...is it neccessary to disconnect the positive cable of the battery for around 10-15 minutes, reconnect it, then when you start the motor the MAF reads the increased airflow and will adjust accordingly? Is that a fact? Also, will even a normally-oiled (as opposed to heavily) K&N air filter still eventually foul up the MAF?
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Old 05-12-2008, 05:53 PM   #2
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A properly oiled filter should not harm the MAF, but it may down the line. No you don't need to reset it in anyway, the ECU will relearn on its own.
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Old 05-12-2008, 06:49 PM   #3
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by Ridgerunner View Post
I scoured the whole forum 'cause I saw it said somewhere before but I couldn't find the answer to two questions. First, when you put in a K&N oiled air filter, or the whole CAI system...is it neccessary to disconnect the positive cable of the battery for around 10-15 minutes, reconnect it, then when you start the motor the MAF reads the increased airflow and will adjust accordingly? Is that a fact? Also, will even a normally-oiled (as opposed to heavily) K&N air filter still eventually foul up the MAF?
The engine computer will adjust to the new intake. It will take up to 3 tanks of gas for it to do so. I ran K&N filters on my 2000 Tacoma for 90,000 miles without the MAF getting fouled up. Make sure it is propperly oiled. I did clean my MAF one time @ 35,000 miles just as a preventative thing. One thing I feel the need to add, K&N filters are not a good filter. They do not perform well in filtering tests.
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Old 05-12-2008, 06:54 PM   #4
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Quote:
Originally Posted by chris4x4 View Post
One thing I feel the need to add, K&N filters are not a good filter. They do not perform well in filtering tests.
You mind showing where it says that? I wouldnt mind reading up on that considering I have a K&N drop in, here in dusty Lubbock TX.
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Old 05-12-2008, 06:55 PM   #5
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Thanks Chris-I knew it was a waste of money. I bought just the filter to drop into the factory box-probably makes NO difference in anything.
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Old 05-12-2008, 07:00 PM   #6
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I bought the K&N not too long ago and I noticed a slight performance increase, I've had no MAF problems, and it doesn't seem to filter any worse than the disposable filters I was using.

Chris, I'm not discrediting you, merely relaying my experience thus far.
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Old 05-12-2008, 07:01 PM   #7
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by Ridgerunner View Post
Thanks Chris-I knew it was a waste of money. I bought just the filter to drop into the factory box-probably makes NO difference in anything.
It is re usable, so It can save you money. And like I mentioned, I ran one for 90,000 miles with no ill affects. I pulled the top end of my motor @98,000 miles and it still looked REALLY good, I also run fully synthetic Mobil 1. I wouldnt sweat it, but consider an Amsoil nano filter. FWIW, the factory filters flow pretty good.
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Old 05-12-2008, 07:06 PM   #8
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thanks Chris
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Old 05-12-2008, 07:08 PM   #9
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by MotoXFreeStyle61 View Post
You mind showing where it says that? I wouldnt mind reading up on that considering I have a K&N drop in, here in dusty Lubbock TX.
This is just one source that I have found online
http://www.bobistheoilguy.com/airfilter/airtest3.htm
I can appreciate your concern for dusty conditions. Arizona where I live isnt the dryest state, and Im off road almost daily.
Quote:
Originally Posted by Toy4Life View Post
I bought the K&N not too long ago and I noticed a slight performance increase, I've had no MAF problems, and it doesn't seem to filter any worse than the disposable filters I was using.

Chris, I'm not discrediting you, merely relaying my experience thus far.
No problem. Im open to be discredited. All I know is thru what I have experienced.
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Old 05-12-2008, 07:54 PM   #10
With sufficient thrust, pigs fly just fine.
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More air filter info:

In this video, the paper filter is a Fram. The test I did with a factory Toyota filter showed no dirt on the coffee filter.
http://www.youtube.com/watch?v=4r8NajjYkFA
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Old 05-12-2008, 07:55 PM   #11
With sufficient thrust, pigs fly just fine.
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one more:
http://home.stny.rr.com/jbplock/ISO5011/SPICER.htm
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Old 05-12-2008, 08:04 PM   #12
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Great video Chris-
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