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Originally Posted By: bigjl If it doesn't do it all the time makes me lean even more towards an injector issue. I would be tempted to run a top spec Injector cleaner through it, the kind that goes in the filter rather than the tank as they are much more efficient. I've run both Lucas and Sea...

Man, these comments worry me. http://www.carcomplaints.com/Nissan/Path...r_failure.shtml I was told I should notice my fuel economy slip due to the cats, I told them I actually got one mpg better the tank prior to bringing it in. I'm thinking I have a faulty sensor.

Originally Posted By: bigjl That doesn't sound like a knock, sounds more like a too end issue or a noisy injector. I agree...it's more like a tapping than a knocking. The odd thing is, it's only about 70% of the time.

Apparently, I'm lucky enough to own a 2005 Nissan Pathfinder LE...the single year between 2000-2009 with the worst maintenence record. LINK: http://www.carcomplaints.com/Nissan/Pathfinder/ (one of MANY sources) Apparently the top issues are: #1 - Radiator cracks and leaks into tranny (class...

My Mazda has had an engine tap/knock for years now. I don't hear it when I'm driving and oddly enough there are days when it's quiet and knock free. I found this video on youtube of a Ford Escape that sounds pretty similar to my knock. I just hit 100K and had a clean UOA done on the engine...

Originally Posted By: spk2000 K&N is a great performance filter but not so great for keeping particles out of the engine. I would switch to something different in a dirty environment unless I were racing and rebuilding all the time. Sounds like we did and will do the exact same thing...put an...

Thanks, gents...still learning.

Originally Posted By: Quattro Pete Originally Posted By: alaskanseminole I'm highly considering purchasing a Wix from Amazon and driving until my next oil change. At that point I'll be collecting for another analysis. I figure if my silicon #'s drop, then I made a wise choice. But if K&N is...

Originally Posted By: RTexasF Every auto parts store will have paper filters for your cars. Well of course they do. Every dealership has brand new cars too.

Originally Posted By: HTSS_TR If you like to try Wix air filter, buy this one it is only $3.xx. It's sold as "Used" by Amazon Warehouse, actually if the package is damaged and the filter is new it will be sold as used. I bought some "Used" items from Amazon Warehouse, most had package damaged...

Originally Posted By: Jim Allen Originally Posted By: alaskanseminole I live in San Antonio...fairly big city, hot and dusty. I've cleaned my filter once in 40K miles and the box says to clean it every 50K. Always thought K&N was supposed to be the best...I'm not getting that impression from...

Originally Posted By: Quattro Pete "Stock" as in OEM. I buy OEM filters for my cars on Amazon typically. Just need to figure out who makes them. Well, whatiya know...here's an OEM on Amazon. http://www.amazon.com/MAZDA-TRIBUTE-2001...=I21OC2KR8SGOHT Someone else posted that wix is also...

Originally Posted By: Quattro Pete At least for my cars, I haven't found anything better than stock filters. Not sure if that's the case for your Tribute (and Pathfinder). "Stock" as in walk into the dealership and ask for one of their filters?

Originally Posted By: Quattro Pete What's wrong with using an OEM filter? I'm guessing nothing...just always thought K&N filters were the "best." Apparently, I was wrong, so now I'm looking for what actually is the best option for my vehicles.

Originally Posted By: Jim Allen alaskanseminole: I agree with any of the above mentioned filters, with the AEM or aFe being the more efficient ones... if they make a drop in for your application. I presuem they are drop in replacement not cone filters. I would be grateful for some background...

I have a 2005 Mazda Tribute i (4cyl) and a 2005 Nissan Pathfinder LE (6cyl) I recently had an oil analysis completed on both with the following silicon results and I'm being advised that dirt may be getting through. Suggestions? PATHFINDER SILICON #'S ME: 48 UNIVERSAL AVERAGE: 18 TRIBUTE...

Originally Posted By: AITG It's really hard to read but I gather that Silicon is 20. The engine is broken in and unless you repaired something and used RTV sealant I would think seriously about tossing the K and N filter. Unless, of course, you have the full drag race 4 cylinder Mazda Tribute...

I'm using a K&N Air Filter on both my Pathfinder and Tribute and got similar silicon reports. Is it the area I live in? Should I clean them more often? Is K&N really as good as they say? http://www.bobistheoilguy.com/forums/ubb...132#Post2961132 2005 Mazda Tribute i (4cyl) Oil Use Interval...

Originally Posted By: Quattro Pete Not sure what the efficiency of this one is. Does it fit well? Have you checked if you don't have any holes in your intake (unfiltered air being sucked in)? Yes, it fits like a glove, although I haven't checked it since last time I cleaned it. Not sure about...

Originally Posted By: Quattro Pete Originally Posted By: alaskanseminole Should I clean my K&N Filter? What kind of filter is it exactly? Is it much different from a stock filter. Some of these so called "performance" filters improve airflow at the expense of letting more dirt into the engine...