Fw: Open Loop??

["Jeff Goldberg" <jeffgold@erols.com>]

Jeff
86 4KCSQ Daily Driver
86 4KS      Spare
-----Original Message-----
From: Jeff Goldberg <jeffgold@erols.com>
To: qlist <quattro@audifans.com>
Date: Friday, October 15, 1999 1:26 PM
Subject: Open Loop??


>Hey Guys,
>
>I have been trying to "tune" my 86 4KCSQ by ear and have made good
progress.
>It runs really smoothly when warm, but a little rough when cold. Starts a
>bit hard too. My only criticism of warm idle is that it will sit at
anywhere
>between 800 and 1100 RPM when stopped for instance at a light. This choice
>seems random. No surges, just inconsistent idle speed.
>Got a dwell meter to check duty cycle at the test connector. There is
>absolutely no dwell change when mixture or duty cycle settings are changed.
>Am I running in open loop?
>I know the PO put in a new Ox sensor and possibly disconnected in a way
that
>the computer goes into open loop. I have deduced that from posts on the
>list. If so, how to reset computer??
>My mechanic has some spare computers. If the computer is the problem, does
>anyone know the part # for my computer?
>
>BTW, I tested the Ox sensor according to Bentley. Heater has proper
>resistance and it is getting 12v (actually 13) at the connector.
>
>Thanks for any ideas,
>
>Jeff
>86 4KCSQ Daily Driver
>86 4KS      Spare
>