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Durametric - "Catalytic Converter Efficiency"


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I just ordered a Durametric to check out why my car (05 996 Turbo S, FVD Flash & Exhaust) is only see .5 bar. No faults or CEL, but on under the Durametric "Ready Status" it shows "Catalytic Converter Efficiency - Fail". Anyone have an idea what this might be?

Thanks

post-50506-099607900 1281986640_thumb.jp

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I just ordered a Durametric to check out why my car (05 996 Turbo S, FVD Flash & Exhaust) is only see .5 bar. No faults or CEL, but on under the Durametric "Ready Status" it shows "Catalytic Converter Efficiency - Fail". Anyone have an idea what this might be?

Thanks

post-50506-099607900 1281986640_thumb.jp

I'm not familiar with the Durametric diagnostic tool.

But.. can I ask under what conditions you ran the test.

Catalytic Converters don't run under optimum efficiency

unless they are very hot.

Your efficiency test will be a measure of this.

Yes it true, that the O2 sensor will become less

efficient long before being indicated by the CEL.

You may have a better idea as to when it was last changed.

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