FC 45

[Todd....!!]

WOW David,

Thanks for the heads up about that floatin ground biz...

I was about to get one of those Bosch units, I won't now, I'll get the
AC unit instead...

Later!

Todd....
---------

David A. Cooley wrote:
> 
> > Started out with code 44 and 45.  Started by changing O2 sensor and was
> > to a bosch unit.  code 44 went away but 45 comes back.
> 
> Matt,
> Trash that Bosch O2 sensor...
> The Bosch O2 sensors isolate the grounded side of the sensing element from
> the shell... AC grounds the low side to the shell... The computer needs the
> ground.  Fought this on my 95 lesabre for a week... goes pig rich due to the
> floating ground.
> A quick test is get the wiring diagram and take the low (grounded) side of
> the O2 sensor element and run a wire to the block.
> Guarantee the problem will disappear.  Bosch responded to me that they knew
> it was a problem, but they weren't going to change manufacturing.