It may be the oxygen sensor...I just came from my mechanic and they
have been telling me since november I need a new catalytic converter
but now they say I need a new front oxygen sensor--they said that there
is a service campaign bulletin for this problem.  I called the
dealership but they won't fix it because they say that they are no
longer obligated to fix that particular campaign bulletin.  I'm hoping
others may have this problem and can help me and explain why the
campaign bulletin no longer is valid on this problem.