im assuming you mean catalyst efficiency low, and it means that your catalytic converter is not working as well as it should.
The correct spelling is emissions (anything released or given off by a process).
When one has a low MCHC, it means that their mean corpuscular hemoglobin concentration is low. It can mean that a person has iron-deficiency anemia.
low washer fluid
what does it mean to have a low cortisol level of 3.0 and what could cause this
melody
low wages basically means low income!
i have a f350 7.3 an my low range is flashing on what does that mean
you are LOW on freon
Low muzzle velocity
low nile is a noce tyhin
low neutrophils
What you mean about low quality of life.