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what are the symptoms of a partially blocked Cat. Converter? 700

posted by  The Plastic Lizard on  Mon Sep 20 06:49 CST 2004
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last visit: Tue Nov 8 09:34 CST 2011
[RELATED]

Now I'm thinking my problems related to yesterday's loss of power is a catalytic converter problem.

Here is my thinking:

1. I was working on the exhaust pipe (I could have jarred something loose?)
2. the problem was a loss of power under load.
3. a high pitched whine was coming from the area around either the exhaust manifold or the valve covers. It sounded like a teapot whistle when under load.
4. the car idled fine, the tach didn't jump, it didn't knock, it shifted between gears smoothly, but under load the car had no power.


What do you think?

--
1991 740 B230F 140K miles






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