The check engine light provides an idea — sometimes precise ... like how often to change the oil and coolant or replace brake ...

Encore wasn’t running right. I took it to the dealer, and they told me that the intake manifold and the valve cover needed ...

Low oil can cause abnormal engine sounds, an illuminated check engine light, leaks, exhaust smoke, and more. A full oil change is recommended to avoid engine damage from build-up, per Brakemax.