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Subject:Re: Adjustable rate fuel pressure regulator? anybody try one?
From:David Beierl
Date:Wed, 16 May 2012 02:06:00 -0400
At 12:54 AM 5/16/2012, Don Hanson wrote:
>    I surmise it has to do with the injector spray pattern, but there could
>have been something else happening too.   We had no way to control the

It will cause the injectors to deliver fuel faster than the ECU
thinks they are doing, thus causing a richer mixture.  If the ECI is
running closed-loop (listening to the oxygen sensor in the exhaust)
it will dial back the pulse time until the mixture is correct again.

Yours,
David