Hi Anthony,

I have an automatic, and improved my off line response by adjusting the
afm spring and idle mixture.  I've written about this a great deal in
the past.  I could walk you through it or you can look at related posts
on adjusting the fuel injection system.

The first check is to warm the motor up, disconnect the O2 sensor, and
connect a Voltmeter to the O2 sensor.  The computer in now in open loop
mode, and you should be reading the O2 voltage, which correlates to
mixture as .3 volt lean .86 volt max power. If you can do that test
first it could help.  Also I suggest that your fuel pressure and vacuum
at idle be confirmed. Vacuum at 12" or so, and Fuel pressure at 29 or so
with vacuum, and 36 or so with the vacuum line disconnected. Rpm should
be 840

Sincerely,

Mark Keller