The coronary arteries regulate the supply of blood to your heart muscle depending on how much oxygen your heart needs at the time, as indicated by: 1  The number of times your heart beats per minute (heart rate). 2  Your blood pressure. 3  The force of your heart's contractions.  The thickness of your heart muscle.
When your car's Check Engine light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap.
Comstock/Comstock/Getty Images. When the check engine light comes on in your Mazda, it indicates a problem with the sensors, solenoids or valves on the vehicle.You should take care of the problem immediately.You'll need an onboard diagnostic scan tool to retrieve trouble codes from the computer. These trouble codes will tell you exactly what's wrong with your Mazda. Once you've fixed the problem, you'll need to know how to turn off the check engine light.omstock/Comstock/Getty Images. When the check engine light comes on in your Mazda, it indicates a problem with the sensors, solenoids or valves on the vehicle.