This article will help you see if it's time to replace the AC pressure switch in your car. The 4 symptoms of a bad AC pressure switch that you may experience are an engine light with codes (P0530, P0531, P0532, and P0533), the AC compressor not turning on, AC blowing warm air, and AC not working consistently.

This article will help you learn 5 bad spark plug symptoms and trouble codes. Bad spark plugs symptoms that you may experience are an engine light with P0300-P0312 codes, rough idle, poor gas mileage, lack of acceleration, and slow crank but no start.