K&N Air Filter??
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From: Petaluma, CA
K&N Air Filter??
I am new to the F150 community so please excuse my ignorance. I was wondering if the K&N filter really does help with the performance of the truck. They say it does but I would rather hear from peoples experiences. Thanks!
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Amsoil doesn't offer them for the 09-10s. They 'recommend' a Wix.
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No real performance help but I've been running the same K&N filter since early 2004 when I bought my truck. Close to 100k miles on it now with no problem's. Just don't over oil them after cleaning!
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Yep, I have 112,000 on mine. Never an issue. If you don't over oil, it will not foul the MAF. Some people just do not understand what "lightly oil" means. My truck still does not burn oil either. No, no performance gains but sure save a lot on filters.
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If you do some research, you'll find that many folks have issues with their MAF, and throttle body assy's that have never used a K&N. It's a product of blowby from the oil causing the contamination along with all kinds of other elements that make it through the filter. I have removed 2 seperate maf's on vehicles with a K&N and wiped the intake tube with a clean white t shirt and have yet to come up with any oil. Is it possible to over oil the filter? Sure. Just like over filling the crank case, transmission, to much air in the tires, etc. Just have to do it right.
From:
http://www.aa1car.com/library/maf_sensors.htm
From:
http://www.aa1car.com/library/maf_sensors.htm
CLEANING FORD MAF SENSORS
For some reason, Ford vehicles have had a history of MAF sensor problems caused by contamination. In some cases, dirt gets past a leaky air filter and fouls the sensor wire. In other cases, carbon varnish builds up on the sensor from fuel vapors backing up through the intake manifold. Either way, contamination makes the MAF sensor sluggish, and often sets a P0171 or P0174 lean code.
The fix is to clean the sensor element with aerosol electronics cleaner (CRC makes a good product for this). The MAF sensor is located inside the air filter housing on some applications (Windstar, for example) or between the air filter and throttle body. Spray the sensor element with electronics cleaner, let it soak for about 10 minutes, then repeat. DO NOT use any other type of cleaner as this may damage the sensor. Also, DO NOT touch, scrub or attempt to physically clean the sensor element as this too can ruin the sensor.
For some reason, Ford vehicles have had a history of MAF sensor problems caused by contamination. In some cases, dirt gets past a leaky air filter and fouls the sensor wire. In other cases, carbon varnish builds up on the sensor from fuel vapors backing up through the intake manifold. Either way, contamination makes the MAF sensor sluggish, and often sets a P0171 or P0174 lean code.
The fix is to clean the sensor element with aerosol electronics cleaner (CRC makes a good product for this). The MAF sensor is located inside the air filter housing on some applications (Windstar, for example) or between the air filter and throttle body. Spray the sensor element with electronics cleaner, let it soak for about 10 minutes, then repeat. DO NOT use any other type of cleaner as this may damage the sensor. Also, DO NOT touch, scrub or attempt to physically clean the sensor element as this too can ruin the sensor.
Last edited by expy03; Dec 12, 2010 at 07:42 PM. Reason: correction
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What products do you guys use to clean and re-oil the K&N filters and where to get them? Mine needs it bad. Also what particular product do you use to clean the MAF sensor successfully?
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From: MI
http://www.knfilters.com/search/prod...x?Prod=99-5000
Where to purchase - Just look up "K&N Recharge kit". Many places sell them.
MAF- That depends how well you want to clean it. I believe there's a "How To" on this site.
I use duplicolor "paint prep" ,mineral spirits or denatured alcohol. IF the MAF has a hardened (cooked on) coating, - like shell. Carefully use lacquer thinner to cut.
Never use an aerosol hose down made by CRC. It will leave a milky white residue. You have to clean the wires by hand if you want to do it any justice. Don't be afraid lol.
Last edited by jbrew; Dec 12, 2010 at 08:27 PM. Reason: MAF info