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In that case 200 1987

posted by  someone claiming to be MittenHed on  Tue Apr 8 14:27 CST 2003 [RELATED]

Since you have reached proper operating temperature but still have improper tailpipe results, you need to lean out the mixture some. Low NOX with high CO and HCs indicate incomplete combustion. Simply put, there is not enough oxygen getting in there to make CO2. Air intake running clear?






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