Cool 2009 Hyundai Sonata Check Engine Light Code Kwp 2000Iost Ideas. You can read this engine code using an obd ii code reader. The most frequent reason for a blinking check engine signal is a misfire, typically brought on by faulty ignition wires or spark plugs.
Common reasons include a loose fuel cap, excess vibration, a blocked cylinder, a bad fuel mix, excessive heat and half power. Dead battery or failing alternator. Powertrain control module (pcm) failure, variable valve timing actuator failure, wiring issue.
