What would cause my 2017 Buick Encore check engine light to come on?

The check engine light is most usually triggered by one of five causes in the 2017 Buick Encore; a faulty O2 sensor, the loose gas cap, the failing catalytic converter, a defective mass airflow sensor or a damaged vehicle's spark plug or cable. When the On-Board Diagnostic (OBD) system senses a fault with the engine, transmission, or Evaporative Emission Control (EVAP) system, the Buick test engine light turns on. Some of the common symptoms that You may notice when driving the vehicle are engine running rough, overheating, hesitation when accelerating, smoke from exhaust, car stuck in gear or in limp mode. The best way to pinpoint the issue is to get an OBD scanner to check and see what the fault codes are being displayed.