water injection questions

[FIScot at aol.com]

In a message dated 96-07-23 18:46:17 EDT, you write:

>How would GM EST react to this situation? On my 89 TPI set up, I noticed
>that after running high octane fuel for a week and then switching to the
>cheap stuff, if I floored the throttle I would hear a few detonations and
>the check engine light would come on. Code 43 EST. After two or three times
>of this, it would start working normally. Does it take the ECM this long to
>adjust.
>
>GMD 

No.  The ECM does not adjust (as in learn) at all in this application.  But
it should not get the error code 43.  Is the wire shorted?  This error would
indicate one of two things.  Either it never knocks, or it senses knock all
the time.....

Scot Sealander   FIScot at aol.com