Miata Mailing List: August 1995, Message #78
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   From: LSAPEX@aol.com
Subject: Re: K&N Filter
   Date: Tue, 1 Aug 1995 23:09:12 -0400

>>A couple of you have mentioned disconnecting the computer so that it can
relearn or reset itself and maybe adapt to the new addition(K&N).  I believe
that by disconnecting the computer you are only cancelling fault codes in the
memory, but not affecting running in any way.  Some cars work that way(some
GMs) but I don't believe that Miatae do.  Could be wrong, though...

Bill Cardell <<

The Miata does not reprogram it's computer. This only cancels codes from
memory. Putting on the brake puts a load on the system to drain any
capacitance.

I ran into the exact same problem with the K&N cone filter, I was fortunate
to have another airflow meter (about 10k miles on it), after switching the
meter the problem went away. IMO the filter has a different flow rate and the
resistor in the airflow meter sits on a different spot at idle. This could be
a worn spot that may not be noticed with the stock filter. The car I saw the
problem on had just under 50k miles.

Just another theory, (it beats talking about drive ways and how to
unsubscribe)

BTW Bill, I installed those Tokikos and springs, Art seemed pleased.

Lester Seal
Mass Miata (Eastcoast USA)