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#1
03-06-2007, 01:57 PM
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Cleaned the MAF sensor and replaced my air filter..surprised
Over the weekend I had the hood popped and noted how dirty my KN filter was. On further inspection, the thing was freaking filthy. I'll be honest, I've never cleaned the thing other than shaking it out a couple times after buying it two years and 28K miles ago. I put in the OEM filter which still looks new and I decided to inspect the MAF sensor. It looked clean, but I decided to clean the sensor wire and plate element with a Q-tip and isopropyl alcohol. The Q-tip showed some slight residue/grim, but nothing alarming. I buttoned everything up and went for a spin. The car definitely felt more responsive, but I figured it was in my head even though I'm extremely critical of any changes I make to the car. The next day the car still felt really good. And even yesterday in much warmer temps, the car felt great. I must say I'm a bit shocked at the difference. It's probably because that KN filter was a bit clogged up (there was actually a layer of residue across the filter pleats). I think I'm done with the KN filters because I'm a bit worried about the cleaning kits and the MAF. These Japanese MAF sensors seem to be too tempermental therefore I might stick with stock or maybe an Amsoil filter.
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Black 2003 G35 sedan 5AT, MD 5/16" spacer, Z-tube, HR Y-pipe, 2006 sedan midpipe, Altima tips, Z/coupe springs, Cobb RSB, 18" ASA AR2s, Nismo bumper and painted sills, JDM brake lights, blacked out chrome, tinted, Best ET: 14.32, Best MPH: 99.87mph 
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#2
03-06-2007, 02:07 PM
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try amsoil. no oil required.
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05 Athens Blue G35c 6MT Axis/Customautomesh/Eibach/GT-Spec/Hotchkis/KurumaZ/Motordyne/Richie/Tein/SPC I got a rev-up lower intake plenum, oem sport tuned sway bars, 19" oem wheels, and a coupe exhaust (b-pipe and muffler) for sale.
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#3
03-06-2007, 02:13 PM
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Dave. I cleaned my maf back in the frenzy. Mine was clean and I didn't notice any difference. But I'll bet the reason why the car felt better is because the K&N was dirty. This panel filter seems to get dirty alot faster than the maxima (even though they are the same p/n). Must be because of the fresh air ducting directly into the box.
Clean the K&N and you'll notice the same improvement. IMHO, it should be cleaned every 10k.
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Coupe 19s ~ Hotchkis swaybars ~ Crawford V5 plenum ~ V1 hardwire kit ~ Autoenginuity OBDII & Nissan enhanced ~ Z front/coupe rear springs w/ Koni adjustable shocks *meow* Quote:
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#4
03-06-2007, 02:47 PM
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I have the K&N panel filter too. I've been trying to decide whether or not to keep it. The issue I have is that it just doesn't filter as well as the OEM. Is it worth it?? Probably not.
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'04 G35 Coupe 5AT 
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#5
03-06-2007, 03:19 PM
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Quote:
You do realize you are supposed to clean it every 10k miles? And if you stick with the stock filter you do have to change it occasionally( not sure on the interval, but 10k miles would be a decent guess)
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#6
03-06-2007, 04:39 PM
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Quote:
According to K&N, the standard service interval is 50K miles.
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Black 2003 G35 sedan 5AT, MD 5/16" spacer, Z-tube, HR Y-pipe, 2006 sedan midpipe, Altima tips, Z/coupe springs, Cobb RSB, 18" ASA AR2s, Nismo bumper and painted sills, JDM brake lights, blacked out chrome, tinted, Best ET: 14.32, Best MPH: 99.87mph
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#7
03-06-2007, 04:43 PM
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Hmm, I was just going by the K&N cone I had on my old car which recommend 10k cleanings....
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#8
03-06-2007, 04:45 PM
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Ok, from the K&N website (www.knfilters.com):
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So, at 28k, you were about in the cleaning interval...
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#9
03-20-2007, 06:08 PM
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Quote:
Quote:
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Jason Litka - http://www.jasonlitka.com
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#10
03-23-2007, 11:46 PM
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Anybody else have some findings re: the Amsoil filter re: performance, lack of MAF problems, filtering efficiency? Thanks.
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#11
07-29-2007, 04:17 AM
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I have a K&N filter in the stock air box and noticed a performance improvement when I cleaned my MAF sensor. I sprayed mine with CRC MAF Sensor spray. I'm not sure I'd stick anything in near the wire.
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Florida G Club, President 2k5 LR G35 Coupe 6MT CrawfordZ Plenum, Headers, HFC | HKS TI | Carbonetics LSD | 4.083 FD Haltech | Osiris | JE, Eagle, JWT Cams | Performance Factory VQ35DE 312 rwhp
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