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Re: running rich under boost
- To: quattro@coimbra.ans.net (Non Receipt Notification Requested) (IPM Return Requested)
- Subject: Re: running rich under boost
- From: glen.powell@smc.com
- Date: 06 Oct 1995 07:53:38 -0400
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- P1-Message-Id: US*ATTMAIL*SMCLAN;X400ATT Oct 06 07:53:38 1995
- P1-Recipient: quattro@coimbra.ans.net
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- X400-Trace: US*ATTMAIL*SMCLANarrival 06 Oct 1995 07:53:38 -0400action Relayed
The mixture control system goes open loop at WFO and mixture is
controlled by the map in the EPROM based on inputs from various sensors
but not the O2 sensor. An LED mixture display will no longer "bounce" and
should display a "richer than normal" mixture at WFO, though not a full
1VDC from my experience. I always wondered if open-loop mode was
triggered by the WFO switch or by the boost level, guess it must be boost
level triggered if you are seeing open-loop operation with the WFO switch
disconnected.....
-glen