Passing Emissions

TK terryk at foothill.net
Wed Aug 18 01:19:23 GMT 1999


I set a horribly pumped Fiero V6 to TDC at idle in the code. It passed fine.
At high RPM, the EGR and cat kicked in better so no tweaking was done there.

Terry

----- Original Message -----
From: DC Smith <morepoweral at tetranet.net>
To: <gmecm at efi332.eng.ohio-state.edu>
Sent: Tuesday, August 17, 1999 5:57 PM
Subject: Re: Passing Emissions


> FWIW,
>  I've tried the emissions chip. I think Mike Pitts tweaked them into
> existence. I really didn't care for how the car ran with one of these
> chips in it. (sorry Mike) They were free, thou.. ya can't complain too
> much. :^)
>  I've had better luck passing emissions by using my laptop to put the
> ECM into aldl mode. I've witnessed my Hc dropping like a rock after
> changing the ECM to diagnostic mode. I just went through Missouri
> emissions 3 weeks ago. The car failed the first time through, but then
> passed with flying colors after the little laptop tweak.
>
> Dave Zug wrote:
>
> > So lets add some stuff. specifically what to do to ecm to help. on
> > the buick list site there are links to "emissions" chips and there
> > are also the stock chips available (bins). might be interesting to
> > disesct them huh?
>
> ***********************************************************************
> Dan Smith      84 Regal   12.03 at 110.45     GSCA# 1459
> St.Charles, Missouri
> mailto:morepoweral at tetranet.net
> http://www.tetranet.net/users/morepoweral
> ***********************************************************************
>
>




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