Los Angeles, CA] [Washington, D.C.] -- In voluntary cooperation with the
National Highway Traffic Safety Administration (NHTSA), Advanced Engine
Management, Inc. (AEM) of Hawthorne, California is voluntarily recalling
about 3000 AEM Air Bypass Valves sold to consumers by independent
distributors and retailers between August 2000 and January 31, 2001. Under
certain circumstances, the Air Bypass Valve (constructed of 2 plastic pieces
sonically welded together with a silicon diaphragm and foam spring on the
inside) may come apart and, in certain cases, the diaphragm and/or foam
spring may be ingested into the throttle body, sometimes forcing the
throttle to stick in an open position. This may present a driving hazard to
consumers who have installed the AEM Air Bypass Valve.

AEM has received three reports of the Air Bypass Valve coming apart. One of
these reports described possible damage to the user's throttle body. Another
of these reports described the diaphragm and/or foam spring being ingested
into the throttle body, forcing the throttle to stick in an open position.
The other of these reports described the valve coming apart with no
resulting damage to the throttle body and no sticking of the throttle. No
injuries have been reported.

The recalled Air Bypass Valves are identified by AEM part numbers 20-401,
20-402 or 20-403. The affected valves were sold to consumers only between
August 2000 and January 31, 2001.

The subject valve is easily fixed, and AEM will provide all consumers of the
AEM Air Bypass Valve with a free easy-to-install clip to prevent the
diaphragm and/or foam spring from being ingested into the throttle body.
However, consumers who have installed the subject Air Bypass Valves on their
automobiles should not drive or operate their vehicles until either the Air
Bypass Valve is immediately and entirely removed or the remedial clip is
installed. The remedial action should take no longer than 5 minutes to
complete.

The installation of the remedial clip is a simple procedure that will fully
remedy the potential problem. While the remedial measure is not necessary
for AEM Air Bypass Valves purchased after January 31, 2001, consumers with
any concerns regarding these later-sold units may also obtain the free
easy-to-install remedial clip.

Only those AEM Air Bypass Valves identified by AEM part numbers 20-401,
20-402 and 20-403 which were sold to consumers between August 2000 and
January 31, 2001 are the subject of this recall. AEM Air Bypass Valves sold
after January 31, 2001 are not affected, and consumers of AEM products
bearing AEM part numbers other than 20-401, 20-402 and 20-403 need not be
concerned.

AEM reminds its customers and consumers that the AEM Air Bypass Valve is
designed and intended for use only with the AEM Cold Air Intake systems. Use
of the AEM Air Bypass Valve in conjunction with any other system is neither
recommended nor warranted and may result in, among other things, malfunction
of the AEM Air Bypass Valve.
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