RE: [DML] Frequency valve Qs

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Dan,
The FV is like an injector spraying fuel back into the return line going to
the tank as told to by the Lambda system ( 02 ). It relives the pressure in
the lower chamber of the fuel distributor which in turn leans or enriches
the fuel going to the injectors. Poor performance, hard to start. Normally
if it's buzz zing it's ok. Before I would replace it I would replace the 02
sensor and see what happens. They very seldom go out.
John Hervey
www.specialtauto.com



-----Original Message-----
From: stainlessilusion [mailto:5n-@xxxxxxx]
Sent: Sunday, January 30, 2005 9:00 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Frequency valve Qs


Can someone describe to me what symptoms would be typical of a bad
frequency valve? Anyone know how much voltage is supposed to be coming
from the wires that plug into the valve? Thanks guys -----Dani B. #5003





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