the air filter should not affect it.... the change in idle is suspect... how long had the car been warmed up and the like. how much time had passed betweent tests?
the carbon monoxide... can't a high number be the result of running too rich? hmmm i'm not sure... EGR and PCV are always suspect for emissions too
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Greg
97 Red SVX LSi clean
96 Black SVX LSi beater
90 Red Eclipse GSX track ho
99 Ford F250 work horse
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