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Old 10-10-2003, 01:12 PM
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John H John H is offline
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Join Date: Mar 1999
Location: SF Bay Area, CA
Posts: 57
My measured 02 was 0.00% for both the 15 and 25 MPH tests. I assumed by being zero they weren't taking a reading. The mech said the pre-cats are not comming up to temp and are likely non-functioning so I guess that's my next step.

Duke - I asked the mech about CO2. He said it's rare for a high mileage mid-80's car w/o air injection to be over 14%.
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