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    Could be a bad o2 sensor or cat no longer working.<br>
    Also check for vacuum leaks that may be causing your mixture to be
    too rich.<br>
    <br>
    Todd<br>
    <br>
    <div class="moz-cite-prefix">On 5/31/2023 2:41 PM, Karl Ploessl
      wrote:<br>
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cite="mid:CAHrsyzwBLKW4EDJsGyztXGpj9GL=OzyS8FPJ2EYEMdY06Y-eOw@mail.gmail.com">
      <pre class="moz-quote-pre" wrap="">here are the numbers:

low high

HC (ppm)

readings 145 88

limit 220 220

result PASS PASS

CO (%)

readings 3.39 2.48

limit 1.20 1.20

result FAIL FAIL

CO (%) + CO2 (%)

readings7.49 13.24

RPM reading

readings 935 2580

limit 500 2200

result PASS PASS

The alignments of the table is somewhat screwed up but it failed CO
emission at low and at high RPMs (935 and 2580). What would be the reason?

Karl '81 Westy "Jenny"

'91 Westy "Jenny 2" Wilmington, DE
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