[Gmecm] Idle problem

Sun Aug 21 21:26:31 UTC 2005

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sounds like there is either a vacuum leak, or the TBI butterflies are too
far open, allowing more air to bypass than there should

  _____  

From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On Behalf
Of matthew10_5 at netzero.net
Sent: Sunday, August 21, 2005 4:57 PM
To: gmecm at diy-efi.org
Subject: [Gmecm] Idle problem

I have discovered that when the "CEL" flashes rapidly it means that the
Eprom has a problem. It could be a bad connection or even a bad burn. Also
an incorrect checksum does this. Okay back to the subjest.

My question is two fold. One, ( Using the 7747-mine.ecu to edit my bin) I
have been unable to bring my idle RPM down to 750. Every attribute that
deals with engine RPM on this TBI 305 has been set to around 750 RPM. When
the ECU enters the close loop mode the idle stays at 1000 RPM no matter what
is done. The butterfly are set correctly and the IAC sets itself to around
30 to acheive 1000 RPM. Is there some other reason I cannot control the Idle
where I want it? 

Question Two:  What is the  Differance between " VE as % {FL1} " and " VE
as% {FL2} "?

Thanks..Fred

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<DIV dir=3Dltr align=3Dleft>sounds like there is either a vacuum leak, or =
the TBI=20
butterflies are too far open, allowing more air to bypass than there=20
should</DIV> 
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
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 <DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
 <HR tabIndex=3D-1>
 From: gmecm-bounces at diy-efi.org=20
 [mailto:gmecm-bounces at diy-efi.org] On Behalf Of=20
 matthew10_5 at netzero.net Sent: Sunday, August 21, 2005 =
4:57=20
 PM To: gmecm at diy-efi.org Subject: [Gmecm] Idle=20
 problem </DIV>
 <DIV></DIV> 
 I have discovered that when the "CEL" flashes rapidly it means that =
the=20
 Eprom has a problem. It could be a bad connection or even a bad burn. =
Also an=20
 incorrect checksum does this. Okay back to the subjest.
 My question is two fold. One, ( Using the 7747-mine.ecu to edit my =
bin) I=20
 have been unable to bring my idle RPM down to 750. Every attribute =
that deals=20
 with engine RPM on this TBI 305 has been set to around 750 RPM. When =
the ECU=20
 enters the close loop mode the idle stays at 1000 RPM no matter what =
is done.=20
 The butterfly are set correctly and the IAC sets itself to around 30 =
to=20
 acheive 1000 RPM. Is there some other reason I cannot control the Idle =
where I=20
 want it? 
 Question Two:&nbsp; What is the&nbsp; Differance between " VE as % =
{FL1} "=20
 and " VE as% {FL2} "?
 Thanks..Fred</BLOCKQUOTE></BODY></HTML>

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