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Wideband air/fuel gauge question #462701
09/07/09 09:37 PM
09/07/09 09:37 PM
Joined: Jan 2003
Posts: 17,801
S.E. Michigan
ZIPPY Offline OP
I Live Here
ZIPPY  Offline OP
I Live Here

Joined: Jan 2003
Posts: 17,801
S.E. Michigan
I got my FAST a/f gauge installed, did a quickie deal since I plan to move it from car to car....

...seems to work pretty well for a basic gauge/playback device, but I have a quick question:

Will pan evac mess up the accuracy, or damage the o2 sensor?

I have the 02s a couple inches upstream of the pan evac outlets (which seems OK), but I'm pretty sure they do try to backflow under decel....otherwise, they wouldn't need check valves....

5468955-fastmeter.jpg (59 downloads)
Re: Wideband air/fuel gauge question [Re: ZIPPY] #462702
09/07/09 09:43 PM
09/07/09 09:43 PM
Joined: Jan 2003
Posts: 2,567
Appalachia
RedRam Offline
master
RedRam  Offline
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Joined: Jan 2003
Posts: 2,567
Appalachia
yes, the pan evac fumes/gasses with throw the 02 readings off.
Leaded race fuel will kill the sensor over time, BTDT.

Re: Wideband air/fuel gauge question [Re: RedRam] #462703
09/08/09 09:43 AM
09/08/09 09:43 AM
Joined: Jan 2003
Posts: 17,801
S.E. Michigan
ZIPPY Offline OP
I Live Here
ZIPPY  Offline OP
I Live Here

Joined: Jan 2003
Posts: 17,801
S.E. Michigan
Thanks! ...was somewhat concerned with that, don't want to mess anything up. I'll pull the hoses off for now.







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