air pumps

[peter paul fenske]

Hi Carl

Nothin will happen with the air pump disconnected.
The ecm doesn't take it into account
Pwm is simple lookup. No feedback
Ditto for the air switch.

later:peter

> Date:          Wed, 28 Jan 1998 12:09:30 -0800
> From:          Carl Summers <InnovativeTechnologies at worldnet.att.net>
> To:            diy_efi at efi332.eng.ohio-state.edu
> Subject:       air pumps
> Reply-to:      diy_efi at efi332.eng.ohio-state.edu

> I wanted to thank everyone that helped me with the EGR problem on the
> AUJP 7730 I was working on....I have a question regarding the smog
> pump....This particular vehicle does not have one..and of course the
> aujp bin thinks it is supposed to...what happens when the computer opens
> the switch for the air pump????Does it change how it reads the O2???I am
> assuming there is an area in the prom to virtually elininate this from
> happening,,,or do I even need to worry about it???Has anyone played with
> this before???I could sure use some help(again)....
> Thanks,
> Carl Summers
> 
>