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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCleaning K&N filter
Leading reported evidence
Clean mass air flow sensor
Suggestion or failed attempt
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Suggestion
Install and clean MAF after driving the car a few days.
Leading evidence: 'Clean mass air flow sensor' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean mass air flow sensor' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Most people just replace the MAF rather than clean it, including dealers.
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Rennlist: 1 discussions
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Mr. Clean and water. Soak it for awhile and then rinse and let dry. Spray oil on it liberally and let air dry overnight. Install and clean MAF after driving the car a few days.
Just buy a new one. IMHO it's not the worth the risk of damaging your MAF by over oiling it. If you do decide to clean it, let it sit on newspapers overnight before you reinstall.
I've read enough about it that I'm not sure the benefits out weigh the risks (especially if you already have an upgraded exhaust - one of the main benefits sound) When it's time to replace mine, I'm thinking of just going back to stock.
Oil does not ruin an MAF, it only dirties it and a new filter will do the same. This knowledge is not from reading about it, but by actually experiencing it. Soak your maf in motor oil overnight and then clean it and it will work like it did before you soaked it.
Well I have experienced having my MAF replaced. Maybe the dealer could have got away with just cleaning it, I don't know it was done under warranty. The reading about it part refers to the "gains" from a K&N. Several unbiased studies have been done.
I had K&N on another sports car which has a surface area 1/2 of 996's filter and it made no noticeable difference in performance. With 996's big filter panel that isn't restictive, I don't even think there is any gain in getting K&N alone. Upgrade to evoms intake, exhaust and chip flash together will yield real gains together but don't expect anything alone to produce more power.
BTW - If you hold the K&N to a light, you'll see how easily light comes through compared to stock paper filter. I really doubt if it filters air as well as paper.
Most people just replace the MAF rather than clean it, including dealers. I have never understood why someone would spend $400+ for no reason at all. I have NEVER seen a bad MAF that was not physically broken. When you are using an oiled filter, the maf gets dirty just like your spark plugs, but the plugs have fuel to help keep them clean.
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