[Gmecm] Re: Four Wire O2 conversion

[Andrew G.]

Ground return for ECM O2 signal is isolated with a 4-wire

----- Original Message ----- 
From: "Cowen" <captain_krill at yahoo.com>
To: <gmecm at diy-efi.org>
Sent: Tuesday, May 03, 2005 1:11 PM
Subject: [Gmecm] Re: Four Wire O2 conversion


> Andrew:
> I cross-referenced the part # for a 94 Camaro LT1 O2,
> and www.kemparts.com lists it as the same for all the
> cars in the list below, so we are talking apples and
> apples here.
>   
> Someone else was looking for cheaper sources than only
> LT1 applications?  Well, the Buyer's Guide at the
> Kemparts site is great for finding out what fits what
> - you just need somewhere to start (eg. 94 Camaro
> LT1).  The Buyer's Guide really helped me know what
> cars I could scavenge at the wrecker when putting
> together my little orphan! 
> 
> The thing I'm still not sure about is that this O2
> sensor is a 3 wire.  What are the benefits of 4 wire?
> 
>  
> > Buyers' Guide 
> > 
> > Click part number to display details and photograph.
> > 138-215 OXYGEN SENSOR  
> >  ACURA 1998-1999 
> >  BUICK 1993-1997 
> >  CADILLAC 1994-1996 
> >  CHEVROLET 1994-2004 
> >  FORD 1994-1995 
> >  GMC 1994-1995, 2002-1995 
> >  HONDA 1996-2001 
> >  ISUZU 1996-2003 
> >  OLDSMOBILE 1993-1996 
> >  PONTIAC 1994-1997 
> >  
> > There's more info on models on that site.
> > 
> -
> 
> **********************END TRANSMISSION**********************
> 
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