"Rex B" > wrote in message
...
>> Your 02 sensor should be a heated one and come online within a few
>> minutes
>> of the engine running.
>
> So the internal heater should be able to get the sensor into the working
> range, without benefit of a blast of exhaust heat?

yes at least initially, but exhaust should be hitting even with a gutted
cat.
I am not totally sure on this since I only deal with 'working' & complete
cats. <g>

>
>> Also I like to check the FPR voltage to make sure that there is some and
>> also that it changes.
>
> Is that a standard test? That's the rectangular box on the side of the
> FD, correct?

Should be in the Bentley.