1990 Other Daihatsu Models

Engine Performance problem
1990 Other Daihatsu Models 4 cyl Four Wheel Drive Manual
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I failed my emmissions on this ride.
HC-Cruise Limit is 150)I failed with HC cruise of 171
CO-Cruise Limit is 1) I faild with CO cruise of 1.23

I failed the Cruise, passed the Idle on both HC & CO.

Any help on what to replace will be appriciated.

Thank You,
Jerry