[Gmecm] Re: Fuel Economy

Darrell ndarrell
Sat Sep 17 02:37:14 UTC 2005


Thanks Gary, I'll take a look.

On 16 Sep 2005 at 19:29, gary wrote:

> > I was responding to Darrell....
> >> No No No!  You can't run a wide band in place of a narrow band.. 
> 
> Mark, I understood to whom you were responding to.  I merely
> corrected your previous statement.  I'm confident with a lot of 
> WB software, your statement will hold true however.
> 
> > Interesting idea about using a WBO2 sensor, has anyone actually tried 
> > this?  I mean replacing a stock NB with a WB on a stock computer?
> 
> :confused:  Well, sure.  Why else would I post it?  :)  On numerous
> vehicles/OEM PCMs, both foreign and domestic.  To avoid CEL on 
> some (domestic) vehicles it is necessary to simulate O2 heater
> circuit with resisters however. 
> 
> > That in combination with changing the voltage threshold may allow 
> > you to set the AFR to a slightly leaner mixture overall.
> 
>  Yes!  That is what precisely has been done, richer or leaner.  Details 
> can be found (with search feature) on forum section of link provided.  
> 
> GAS
> 
> 
> ----- Original Message ----- 
>   From: Mark Romans 
>   To: gmecm at diy-efi.org 
>   Sent: Friday, September 16, 2005 6:55 PM
>   Subject: Re: [Gmecm] Re: Fuel Economy
> 
>   I was responding to Darrell <ndarrell at telusplanet.net> when he said...
> 
>   "Cowen: (and all)
> 
>   Well, you are right, second times the charm.  Thank you for 
>   responding anyway, and getting a little action going on the thread.  
>   A lot of this information will be useful, thanks to all who posted on 
>   the topic.  Some of it went way over my head, but I'm here to learn.
> 
>   Interesting idea about using a WBO2 sensor, has anyone actually tried 
>   this?  I mean replacing a stock NB with a WB on a stock computer?  
>   That in combination with changing the voltage threshold may allow you 
>   to set the AFR to a slightly leaner mixture overall."
> 
>   Mark






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