os sensor

[yaron sadot]

hi

first time i write here

is it safe to remove os if i dont have cat anymore?

i have alfa rome 33 1.7ie 8v 1994

mp3.1  bosch ecu

is going to safe mode- i mean the ecu cause i cut out the sensor?

thanks for helping out

yaron

DIY_EFI Digest wrote:

> DIY_EFI Digest         Monday, October 4 1999         Volume 04 : Number 559
>
> In this issue:
>
>         Fuel injecting a 4.3
>         SGS driver
>
> See the end of the digest for information on subscribing to the
> DIY_EFI or DIY_EFI-Digest mailing lists.
>
> ----------------------------------------------------------------------
>
> Date: Sun, 03 Oct 1999 16:30:43 -0400
> From: Darren Floen <dfloen at tbaytel.net>
> Subject: Fuel injecting a 4.3
>
> Hi,i'm new to the list.I'm fairly inexperienced with electronic FI,but
> i'd like to install a throttle body setup on a 1986 4.3 chevy engine.I'm
> swapping this engine into my 85 Toyota truck.What type of setup would be
> best?I was thinking of a Holley Pro-jection setup,but I have heard some
> bad things about them.I was thinking of using the 2Di,closed loop setup.
> Could i use the injection setup off say a 3.8 liter buick?Would it be
> able to compensate for the larger engine?
>
> Thanks very much for any replies,and please cc them to me at
> dfloen at tbaytel.net
>
> Darren
>
> ------------------------------
>
> Date: Mon, 04 Oct 1999 10:04:36 +0200
> From: Nic van der Walt <nvdw at cellpt.co.za>
> Subject: SGS driver
>
> >Can anybody help me identify a 21 pin Multiwatt package Injector driver chip
> >in a Motronic ECU ?
> >
> >I think it was made by ST, formerly known as SGS.
>
> In all likelyhood it is just a dual or quad half bridge driver.
>
> I have used them frequently in coil drivers. They demand an excellent
> protection diode across the coil, otherwise they will fail quickly
> and spectacularly. If the device is malfunctioning replace all the
> diodes around it with higher spec devices. When used with the correct
> clamping diode these components are great, but expensive.
>
> Some of the ST components have current monitoring, should work
> great for injector checking.
>
> Regards,
> Nic van der Walt
>
> - ------------------------------------------------------------
>  Cellpoint Systems SA               http://www.cellpt.co.za
>  GSM Technology for Positioning and Telematics
> - ------------------------------------------------------------
>
> ------------------------------
>
> End of DIY_EFI Digest V4 #559
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