eec egr scheme

[Mattz]

-----Original Message-----
From: Slava <cittt at cityline.ru>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Monday, June 08, 1998 2:08 PM
Subject: Re: eec egr scheme


>>with added EGR it will be neither rich nor lean
>>the extra inert gas is not flowing through any of the metering system
>>that affects incoming air, it is rerouted internally in the block
>>so the A/F stays in sync
>>but the timing has to be advanced to let it burn properly
>>
>>Clive
>
>It's true only for EFI with Mass Air Sensor like Bosch systems.  In EFI
with
>MAP sensor
>extra inert gas will increase manifold
>presser and A/F will be rich.
>

SO if one removed the egr (just as an example) it would run lean and you
would have to retard timing to prevent detonation .. correct ?

z