co emissions

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  1. blackout007

    Colorado Emissions Help

    I have an 87 Turbo and am in the process of getting it back on the road. It's been sitting for some time getting paint and body work done. I changed all the fluids and drove on the highway for about an hour before the first test. It failed for HC at 3.1133 and CO at 22.7273. I changed the O2...
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