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Registered:
January 2004
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Air filters (oil-based)???
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Tue, 13 January 2004 06:17
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OK. I might be new to this forum, but I have seen enough to understand that this topic goes round and round till it makes you sick...
BUT THIS IS SERIOUS.!!
my question to all you is.....Are oil-based filters really a problem with hotwire MAF sensors. I have a 2002 corolla and would like to replace the standard with a K&N panel filter, but have heard some conficting info about doing this on this forum.
Please help! Is there anyone out there with some reasonable techncial advise?!?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Air filters (oil-based)???
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Tue, 13 January 2004 06:22
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BAAAD
The oil gets in the sensors, and fucks with them, thus the ecu thinks the wrong amount of air is getting into the motor.
Stick with a paper filter
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Registered:
January 2004
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Re: Air filters (oil-based)???
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Tue, 13 January 2004 06:25
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Yep, that's what I heard. So I emailed K&N for clarification and they gave me the expected answer:
"At this time, K&N is unaware of any evidence that K&N air filter oil from a K&N air filter can damage or cause the malfunction of a MAF sensor, regardless of the make of the vehicle involved. K&N takes seriously any claim that one of its products is incompatible with its designated application or can damage or cause the malfunction of any automotive component. Such claims are thoroughly investigated and, when appropriate, testing is undertaken to determine their merit. In the case of MAF sensors, ongoing tests have shown that contamination from K&N air filter oil has not caused any failures or malfunctions of the MAF sensors in the test vehicles. K&N is aware that MAF sensors can become contaminated for a variety of reasons, unrelated to a K&N air filter (such as backfiring, blowby, leaking airbox or leaking intake duct) and that various methods have been used by some service departments and repair shops to clean a dirty or contaminated MAF sensor, such as spraying with an appropriate cleaner. K&N has not completed any tests as to the efficacy of such a process and, therefore, does not officially endorse or recommend any cleaning process. However, if given the choice of either replacing a MAF sensor or cleaning it, K&N recommends that the consumer ask his or her automotive dealer to attempt cleaning, before replacement. It should be noted that the presence of contamination does not mean the contamination was the cause of the MAF sensor failure. Sensors can fail for electrical or mechanical reasons, unrelated to any visible contamination.
Thanks for writing,
K&N Technical Support"
So hows that??
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Air filters (oil-based)???
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Tue, 13 January 2004 06:32
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That is propaganda in its plainest form
Go ask any engine tuner/diagnostics place what they think
They'll tell you to stick with a quality factory one, or a ryco
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Registered:
January 2004
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Re: Air filters (oil-based)???
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Tue, 13 January 2004 06:34
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Fair enough!!
But why do so many people put these things on....
Oh hang on....I forgot about the RICE FACTOR!!!!!
Cheers
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Air filters (oil-based)???
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Tue, 13 January 2004 06:42
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Indeed
Oil filter ones were (AFAIK) originally designed for muddy conditions, ie Speedway, where paper filters would become useless after getting wet.
K+N Paper filter replacements are good, but make sure you block off the hot engine bay/exhaust air from getting to it, and keep the cold air coming in.
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