Chevrolet Sonic owners have reported 1 problem related to engine head gasket failure (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Sonic based on all problems reported for the Sonic.
Tl the contact owns a 2016 Chevrolet Sonic. While driving 15 mph, the vehicle shut off without warning. The contact also mentioned that the vehicle shut off without warning while at a complete stop. The contact took the vehicle to an independent mechanic where they diagnosed the vehicle and replaced the oxygen sensor; however, the failure persisted. The contact took the vehicle back to the independent mechanic on numerous occasions and had the thermostat and intake main gasket set replaced, and an engine tune -up; however, the failure continued. The manufacturer and dealer were not notified of the failures. The vehicle was not repaired. The failure mileage was 78,456.
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