The contact owns a 2019 Buick Encore. The contact stated that while driving at various speeds, the vehicle hesitated upon depressing the accelerator pedal. Additionally, the vehicle hesitated to start after multiple attempts. The vehicle was taken to the independent mechanic where it was purchased, and the mechanic replaced the oxygen sensor. Despite the repair, the failure recurred intermittently. The contact stated that the check engine warning light illuminated, and the vehicle was taken to a second independent...
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mechanic. Diagnostic trouble codes retrieved via an OBD-II scanner indicated catalytic converter issues; however, the mechanic determined the failure was related to the flex plate. The contact was referred to a dealer, where the contact was informed that the repair was not covered under warranty. The manufacturer was notified of the failure and assigned a case number. The contact was referred to the NHTSA Hotline to file a complaint. The vehicle was not repaired. The failure mileage was approximately 30,000.