Is your C-HR’s check engine light flickering and idling rough? Common culprits include a failing ignition coil, dirty throttle body, or a vacuum leak. Learn what to inspect and if it’s safe to drive.
Understanding the Symptoms
When your Toyota C-HR II's check engine light flickers intermittently and the idle feels rough, it's a clear sign that something is off in the engine's combustion process. This combination often points to a misfire caused by a weak spark, poor fuel delivery, or an air leak. The flickering light indicates that the engine control unit (ECU) is detecting sporadic misfires, which can trigger the light to come on and off.
