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What might trigger the check engine light in my 2017 Hyundai Sonata Hybrid to illuminate?
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4 answers
★ Top Answer
There are various reasons why the check engine light might illuminate in a 2017 Hyundai Sonata Hybrid. Potential causes could include an improperly secured or faulty gas cap, malfunctioning spark plugs, a deteriorated head gasket, a faulty oxygen sensor, issues with the emissions control, problems with the mass airflow sensor, or issues with the fuel injection system. Some of these issues are straightforward to rectify and come at a minimal cost, while others are more complex and can be quite expensive to address. For instance, if the gas cap is the culprit, ensuring it is securely tightened may resolve the issue. In contrast, replacing spark plugs typically ranges from $5 to $20 each.
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I'm experiencing a similar problem where the check engine light comes on while the engine is running, I lose traction, and the engine starts shaking. However, when it switches to electric, the issue goes away. When I took it to the dealership, they tried to check the code, but they kept saying there was nothing showing up. I ended up purchasing my own OBDII device and found a misfire code for cylinder 4. Have you managed to resolve your problem?
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Latif, this information is really useful because I'm dealing with the same problem and the dealership hasn't been able to figure it out. I had a similar experience with the dealership and ended up submitting a complaint to the National Highway Traffic Safety Administration through their website at https://www.nhtsa.gov/about-nhtsa/contact-us. I suggest you consider filing a complaint, as they collect this data and can address it on a larger scale with more details. Appreciate your help.
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Typically, the check engine light on a 2017 Hyundai Sonata Hybrid is commonly triggered by either a loose gas cap or a faulty sensor.
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