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by Dave Hill
Sun Nov 14, 2010 10:49 pm
Forum: USB PC Oscilloscopes
Topic: ECU report P0420 - 007 Catalyst efficiency below threshold
Replies: 5
Views: 7672

Re: ECU report P0420 - 007 Catalyst efficiency below thresho

I think I understand the question (eventually) Looking at the examples that you posted & taking your comments on board, I think you are confusing the traces. Your example with "the peaks" is displaying the heater circuit & not the oxygen sensor signal. The other "four channel colour" waveform, shows...
by Dave Hill
Fri Oct 01, 2010 3:57 pm
Forum: USB PC Oscilloscopes
Topic: ECU report P0420 - 007 Catalyst efficiency below threshold
Replies: 5
Views: 7672

Re: ECU report P0420 - 007 Catalyst efficiency below thresho

Hi Mirda

Sorry but I don't understand the question.

Regards

Dave Hill

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