[Diy_efi] IAC Counts
David Cooley
n5xmt at bellsouth.net
Fri Dec 31 18:55:27 GMT 2004
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maybe the engine has problems at High RPM (plugged exhaust etc)... usuall=
y
the VE is higher at higher RPM than at low...=0D
=0D
=0D
-------Original Message-------=0D
=0D
From: Gary=0D
Date: 12/31/04 13:30:32=0D
To: A list for Do-It-Yourself EFI=0D
Subject: Re: [Diy_efi] IAC Counts=0D
=0D
I could have added more info regarding VE itself. % VE is an=0D
indication of how efficient the air pump (engine) is at moving air=0D
in and out of the cylinders. The more air that is allowed to enter=0D
and leave, the higher the fuel requirement will be, to achieve the=0D
correct A/F ratio.=0D
=0D
GAS=0D
=0D
=0D
----- Original Message -----=0D
From: "Gary" <gas- at charter.net>=0D
To: "A list for Do-It-Yourself EFI" <diy_efi at diy-efi.org>=0D
Sent: Friday, December 31, 2004 11:52 AM=0D
Subject: Re: [Diy_efi] IAC Counts=0D
=0D
=0D
> First off, as is probably understood, the higher the BLMs are, the=0D
> more fuel the pcm/ecm is adding/requesting. If a given % VE=0D
> were increased, this would translate to a need to increase the fuel=0D
> requirement. Higher % VE requires more fuel than a lower % VE.=0D
> With the request for more fuel, the VE, the pcm is recognizing,=0D
> is higher, than fueling tables able to are satisfy, and still maintain=0D
> the neutral 128 BLM.=0D
>=0D
> GAS=0D
=0D
_______________________________________________=0D
diy_efi mailing list=0D
diy_efi at diy-efi.org=0D
http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D
=20
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<DIV>maybe the engine has problems at High RPM (plugged exhaust etc)... u=
sually the VE is higher at higher RPM than at low...</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV id=3DIncrediOriginalMessage><I>-------Original Message-------</I></D=
IV>
<DIV> </DIV>
<DIV id=3Dreceivestrings>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>From:</B></I> <A href=3D"m=
ailto:gas- at charter.net">Gary</A></DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>Date:</B></I> 12/31/04 13:=
30:32</DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>To:</B></I> <A href=3D"mai=
lto:diy_efi at diy-efi.org">A list for Do-It-Yourself EFI</A></DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>Subject:</B></I> Re: [Diy_=
efi] IAC Counts</DIV></DIV>
<DIV> </DIV>
<DIV>I could have added more info regarding VE itself. % VE is=
an</DIV>
<DIV>indication of how efficient the air pump (engine) is at moving air</=
DIV>
<DIV>in and out of the cylinders. The more air that is allowed=
to enter</DIV>
<DIV>and leave, the higher the fuel requirement will be, to achieve the</=
DIV>
<DIV>correct A/F ratio.</DIV>
<DIV> </DIV>
<DIV>GAS</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>----- Original Message -----</DIV>
<DIV>From: "Gary" <<A href=3D"mailto:gas- at charter.net">gas- at charter.ne=
t</A>></DIV>
<DIV>To: "A list for Do-It-Yourself EFI" <<A href=3D"mailto:diy_efi at di=
y-efi.org">diy_efi at diy-efi.org</A>></DIV>
<DIV>Sent: Friday, December 31, 2004 11:52 AM</DIV>
<DIV>Subject: Re: [Diy_efi] IAC Counts</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>> First off, as is probably understood, the higher the BLMs are, =
the</DIV>
<DIV>> more fuel the pcm/ecm is adding/requesting. If =
a given % VE</DIV>
<DIV>> were increased, this would translate to a need to increase the =
fuel</DIV>
<DIV>> requirement. Higher % VE requires more fuel than a l=
ower % VE.</DIV>
<DIV>> With the request for more fuel, the VE, the pcm is recognizing,=
</DIV>
<DIV>> is higher, than fueling tables able to are satisfy, and still m=
aintain</DIV>
<DIV>> the neutral 128 BLM.</DIV>
<DIV>></DIV>
<DIV>> GAS</DIV>
<DIV> </DIV>
<DIV>_______________________________________________</DIV>
<DIV>diy_efi mailing list</DIV>
<DIV><A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A></DIV>
<DIV><A href=3D"http://lists.diy-efi.org/mailman/listinfo/diy_efi">http:/=
/lists.diy-efi.org/mailman/listinfo/diy_efi</A></DIV>
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