Replace your spark plugs. Replace the upstream O2 sensor.
If you have one, pull the SPOUT plug. It'll run like a dog, but it will lower emissions.
The battery's CCA and the airbags have nothing to do with emissions...
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
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