Failed for CO- 5.05% [...] O2 sensor stuck rich with no response. Replaced o2 sensor, levels came down from 5% and 270ppm to 3.5% and 300ppm. O2 will sometimes be in controll(switches) but mostly is fixed at .85v. Canot find a mixture plug, and wonder if t...

FIX posted 5/29/2000

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