So I failed AirCare, our airquality testing.

Here's my results: 7.68% Carbon Monoxide when it should be no more than 4.49% on Driving test.

5.8% Carbon Monoxide when it should be 4.80 on Idle Test.

Any thoughts on the cheapest way to fix this? Is it timing?

1958 Chevy 1/2 ton Apache Stepside Longbed
Never trust a driver with a collision shop courtesy car
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