Cool 2014 Sonata Gls Check Engine Light Looks Luke What Ideas. Web 12 problems related to check engine light on have been reported for the 2014 hyundai sonata. Web the most common of all trouble codes is p0420 (it indicates your hyundai sonata’s catalytic converter isn’t scrubbing pollutants efficiently).
Web 2014 hyundai sonata, 2.4 liter gls; Web luckily, to replace a gas cap isn't costly. Started up again, very slow.
