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Hi people.I replaced the catalytic converter because the pipe out the back of it had rusted causing cracks hence the exhaust leak........now this is a 1991 olds which has one O2 sensor on the manifold. Can this exhaust leak being repaired make the car run better?....or is it just my imagination?......only other thing I can think of is maybe the old converter was somewhat plugged?......It was not the original one..........and the car has 120k on it
 

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russlaferrera
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203 Posts
1991 olds cat converter

You probably answered your own question. You are the only person who can inspect the cat for excessive blockage., or evaluate your imagination ...russ
 
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