K&N Completely Clogged
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New User
Joined: Aug 2010
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K&N Completely Clogged
I lost almost complete acceleration yesterday driving down a NM ranch road. Open the hood and find the K&N air filter is completely clogged. It was as if I had started the truck and immediately started driving it in 20 degree weather, except it was 85 outside when it happened and I had been driving for a couple hundred miles. I cleaned and oiled the filter thoroughly (per K&N cleaner instructions) 4 months ago. When the truck was idling it was almost choking itself out. I removed the filter and started the truck and everything was fine.
I drive a 01 Excursion, 7.3l PS. w 153k miles. I live in El Paso where dust is an issue. I would expect the filter to be very dirty but not so clogged that it would almost choke the engine out. Also, the intake pipe that receives the filtered air had a good amount of built up residue on the inside. I'm wondering if there is some underlying problem. Any help is appreciated.
Thank You
I drive a 01 Excursion, 7.3l PS. w 153k miles. I live in El Paso where dust is an issue. I would expect the filter to be very dirty but not so clogged that it would almost choke the engine out. Also, the intake pipe that receives the filtered air had a good amount of built up residue on the inside. I'm wondering if there is some underlying problem. Any help is appreciated.
Thank You
Lead Driver
Joined: Jun 2006
Posts: 5,669
Likes: 990
From: Near Yosemite CA
I run K&N's, but have heard that they suck in dusty environs,,, and yes, lots of driving on a dusty road, following folks, and passing them, and yes it will choke them down, got mine clogged with mud splatter once on my 94,,, freaked me out also.
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
OILED AIR FILTERS !!!!!! They cause many issues . Over oiled I suspect . Clean the K&n , run it dry , or buy a factory replacement . I have oil bath filters on my 50 and 53 . They are factory and work ok. Yours can lead to problems . The new style oiled filters are not good for Mass Air Flow sensors . They can also clogg in dusty conditions , especially if over oiled !
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New User
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My truck did not completely stall. I turned it off when it was choking out during idling. Seemed like it was on the verge though. I cleaned it out at the campsite I was at, drove to the first auto parts store and put a Fram in for now. I was unaware of the issue with sand/silicates and an oiled filter.
Senior User
Joined: Nov 2012
Posts: 315
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From: Pacific Northwest
I suggest you install an ais filter. designed for dusty desert conditions, perfect for your driving conditions.
DOE
[FA-1759]Ford 7.3 liter Power Stroke Diesel AIS Extended Life Filter Kit(FA1759)
DOE
[FA-1759]Ford 7.3 liter Power Stroke Diesel AIS Extended Life Filter Kit(FA1759)
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Lead Driver
Joined: Nov 2012
Posts: 8,304
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From: Salem, VA
K&N Mass Air Flow Testing Findings
K&N Mass Air Flow Sensor Test Results
K&N Product Warranties
If you don't know FIRST HAND what you are talking about and are just parroting misinformation you heard. Not trying to be a dick but you are ignorant about this. Air raid filters are much better, but a properly oiled K&N will always outperform an OEM filter.
Last edited by Stewart_H; Mar 19, 2013 at 01:28 AM.
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Super Moderator
Joined: May 2004
Posts: 29,380
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From: Central Coast of CA
You couldn't pay me a monthly stipend to run one on any of my diesel rigs.
I strongly suggest you get rid of your K&N and replace it with any number of filter options that are better than that filter.
Stewart
Cargo Master
Joined: Feb 2011
Posts: 3,450
Likes: 13
From: Forest lake minnesota
WRONG!
K&N Mass Air Flow Testing Findings
K&N Mass Air Flow Sensor Test Results
K&N Product Warranties
If you don't know FIRST HAND what you are talking about and are just parroting misinformation you heard. Not trying to be a dick but you are ignorant about this. Air raid filters are much better, but a properly oiled K&N will always outperform an OEM filter.
K&N Mass Air Flow Testing Findings
K&N Mass Air Flow Sensor Test Results
K&N Product Warranties
If you don't know FIRST HAND what you are talking about and are just parroting misinformation you heard. Not trying to be a dick but you are ignorant about this. Air raid filters are much better, but a properly oiled K&N will always outperform an OEM filter.
I love how all of these tests were conducted by K&N , What else are they going to say our filters suck and they wreck stuff on you truck.
Logistics Pro
Joined: Jan 2007
Posts: 3,829
Likes: 104
From: Martinsburg, WV
You should also be running some kind of pre-filter or sock in that kind of climate.
And I don't care what K&N says in their "paid for" independent testing, after years of dealing with EFI Ford and GM performance vehicles, you couldn't pay me enough to run one...
And I don't care what K&N says in their "paid for" independent testing, after years of dealing with EFI Ford and GM performance vehicles, you couldn't pay me enough to run one...
Elder User
Joined: Jan 2013
Posts: 658
Likes: 0
From: Parker, CO
I will never understand why people use oiled air filters. They are notorious for ruining intake systems past the filter (MASs, MAFs, throttle bodies, and intake runners on any number of different vehicles) and they can be quite difficult to get just the right amount of oil on them, not to mention the ongoing maintenance.
Oiled filters are also basically a useless performance upgrade, especially when its the only thing done to attempt to upgrade performance...
There is nothing at all wrong with an OEM style filter.
Of course if you believe all the marketing, go ahead...
Oiled filters are also basically a useless performance upgrade, especially when its the only thing done to attempt to upgrade performance...
There is nothing at all wrong with an OEM style filter.
Of course if you believe all the marketing, go ahead...
