What does insufficient airflow mean

What is your question?

Car seems to be fine runs and idles fine didn't pass smog I forgot the code but it said that it was insufficient a sir flow good on gas no fumes oils good

What makes this problem better or worse?

I just bought the car it was setting for along time though

How long has your 2006 Mitsubishi Lancer had this problem?

Sense I bought it 2 months ago