07-24-2011, 04:55 AM
[quote HATH]
1. If you have a bad O2 sensor, will that foul your catalytic converter?
[/quote]
Yes. If the O2 fails and the engine is running rich, (high CO) or lean, (high HC) the converter could over heat and melt the honeycomb.
This is assuming you are talking about the upstream (before the cat) O2 sensor. If it's the downstream, it wont affect it.
[signature]
1. If you have a bad O2 sensor, will that foul your catalytic converter?
[/quote]
Yes. If the O2 fails and the engine is running rich, (high CO) or lean, (high HC) the converter could over heat and melt the honeycomb.
This is assuming you are talking about the upstream (before the cat) O2 sensor. If it's the downstream, it wont affect it.
[signature]