Apparently, there's no test for a plugged catalytic converter per your
reply. THAT is what I'm trying to determine before jumping to something
else. Just dust in the wind is what I'm getting... Nevermind.

--
Dave
"dave AKA vwdoc1" > wrote in message
...
> If something is wrong......fix it!
> If you want someting better...........change it! ;-)
>
> No don't just change the 02 sensor to another location unless you have to.
> Now if you install another exhaust manifold and downpipe and neither had a
> spot for the multi-wire 02, then put it on the cat. :-)
>
>
> "Dioclese" <NONE> wrote in message
> m...
>> No, banging on the catalytic converter indicates sound innards.
>>
>> Reason I'm asking the question is because I had a bad coolant sensor in
>> the past. It took me some time to figure it out, a month. The tailpipe
>> is badly blackened, engine was running very rich.
>>
>> Are you saying to physically remove the O2 sensor to see if there's
>> difference in engine power at higher rpms, like climbing hills on the
>> highway? If so, I can see that's markedly decreased in my observations.
>>
>> --
>> Dave
>> "dave AKA vwdoc1" > wrote in message
>> ...
>>> Now does the cat rattle?
>>>
>>> Some muffler places will drill a hole near the entrance of the cat to
>>> determine backpressure.
>>> I have removed a plug (02 sensor) to determine that.
>>>
>>> What is the engine doing or not doing?
>>> I always recommend rechecking the camshaft timing!!!
>>> --
>>> later,
>>> (One out of many daves)
>>>
>>> "Dioclese" <NONE> wrote in message
>>> m...
>>>> How does one determine if a catalytic converter is sufficiently plugged
>>>> up to affect the engine?
>>>>
>>>> --
>>>> Dave
>>>>
>>>
>>>
>>
>>
>
>