O2 sensor question

[jdbubb@ix.netcom.com (Dan Bubb)]

Anthony Pelletier wrote:
> 
> I have a question about 02 sensors.  Will they go bad
> if you ground them to the body by accident??
> 
> Reason I ask, is I am trying to tune my sds fuel
> injection with a mixture meeter.  I bought a 4 wire O2
> because you can ground it to the battery rather than
> through the exhaust (more accurate reading).  I asked
> a friend to look up which colors were which & he told
> me the wrong ones.  So, I put the signal wire to
> ground & the ground to the signal.  Is this thing
> toast? 

Don't know if this will damage it or not.

< I am at work and haven't had time to check. If
> its junk I don't want to waste time trying to make it
> work.  I haven't started the car yet, but 02s are
> essentiall always working right?  Or is is just when
> they heat up.

No they need to be hot to develop the voltage. Like 500 deg. And if
they're in air they will read 0 volts even if they are hot. So, you
pretty much have to get it into hot exhaust.
Dan
> 
> Anyone.....
> 
> Tony
> 
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Finance - Get real-time stock quotes
> http://finance.yahoo.com
> 
> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l