Also, I've been quoted about $150 CDN for each sensor, can I get them> for cheaper anywhere else?>

One more thing, is it wise to just change 2 02 sensors (the faulty> ones) or is it advisable to change all 4 at the dame time.>

Any help would be greatly appreciated. Thanks!

In 30 years, I have only replaced a handful of O2 sensors.... If the code(s)> retrieved don't reference the O2 heaters, it is more than likely that the> code(s) are symptomatic rather than causal and some more diagnostics are in> order.>

If this stuff was that simple, I wouldn't have a job...>

"Dan" <daniele.distefano@­gmail.com> wrote in message> news:aee674a4.05031­01250.6e286396@posti­ng.google.com...> > I have a 2000 Ford Explorer Sport with 100KM on it and just recently> > the "Check Engine Light" came on. My mechanic pulled the codes and> > said it was the O2 sensors. It's been a few days since that and my> > "Check Engine Light" has gone off. Should I still replace the O2> > sensors or should I just wait them out until the light comes back on?> >