A tick near the solenoid, often with a warning light. A dirty screen is common. Cheap if caught early.
A clogged solenoid screen or failing solenoid gasket.
A screen and gasket job is cheap. Ignoring it costs cam wear. Book it soon.
Reading about sounds only goes so far. The tuner on our home page listens in your browser and tells you what it hears. The app goes further: it names the exact fault, checks it against your vehicle, and tells you how urgent it is.