DFI open/closed loop problems

[Robert Wilkinson]

Whoops!!  I goofed up.  One condition mentioned in my previous post listed
below is that the a/f bar is not there at all.  When this happens, it is
*open* loop, not closed loop.


> Robert Wilkinson wrote:
> > 2nd, how do you know it's in open loop??  The only way I know of to
> > determine that is to see if the A/F bar is toggling or not.  There are 4
> > possible conditions:
> > 1: bar is there, but doesnt toggle;  means way too rich.
> > 2: bar is not there at all; means it is in closed loop.
> > 3:  bar is on right side of 14.7; means it's too lean.
> > 4:  bar is toggling to the left of 14.7, means you're values are good in
> > that area (for cruising and light throttle).

'86 Z28 350 DFI Richmond 6-speed
Robert Wilkinson
http://ccwf.cc.utexas.edu/~rw