2017 Buick Encore engine and engine cooling problems

What owners report

• “The contact owns a 2017 Buick Encore. The contact stated that while driving at an undisclosed speed, the vehicle experienced a sudden loss of power and went into "LIMP Mode". Additionally, there was smoke coming from the rear of the vehicle. The dealer was notified of the issue but declined to service the vehicle because the vehicle had a salvage title. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 88,000.”

  NHTSA complaint · filed 03/20/2026

• “The contact owns a 2017 Buick Encore. The contact stated that while driving at 40 MPH, the engine was running rough, and the vehicle experienced reduced power. The stabili-trak and the check engine warning lights were illuminated. The vehicle was taken to Auto Zone, where a diagnostic trouble code for a cylinder misfire was retrieved. The vehicle was taken to an independent mechanic, where the cylinder #1 ignition coil and spark plug were replaced, but the failure persisted. The mechanic determi…”

  NHTSA complaint · filed 03/09/2026

• “The contact owns a 2017 Buick Encore. The contact stated that while driving approximately 25 MPH, the contact smelled smoke and became aware that the smoke was coming from under the hood. The failure reoccurred while driving the following day. The vehicle was driven to an independent mechanic, where it was diagnosed, and it was determined that the turbocharger needed to be replaced. The vehicle was repaired. The contact received notification of Special Coverage: N232395330 (Turbocharger Replacem…”

  NHTSA complaint · filed 01/23/2026

• “The contact owns a 2017 Buick Encore. The contact stated while driving at various speeds, the engine overheated, and there was smoke coming from the front of the vehicle. The contact stated that the temperature gauge indicated that the engine was hot. There was no warning light illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed and the contact was informed that the water outlet housing, the blower motor, A/C condenser, water pump, thermostat, thermostat housing,…”

  NHTSA complaint · filed 07/22/2025

• “The contact owns a 2017 Buick Encore. The contact stated while driving at approximately 45 MPH, the accelerator pedal was depressed, and the vehicle hesitated with the check engine warning light illuminated. The contact stated that the vehicle lost motive power and then suddenly jerked forward. The contact had taken the vehicle to a local dealer where it was diagnosed and determined that the turbocharger was failing and needed to be replaced. The vehicle was not repaired. The manufacturer was in…”

  NHTSA complaint · filed 05/07/2025

• “The contact owns a 2017 Buick Encore. The contact stated while his daughter was driving at various speeds, the check engine warning light illuminated and the vehicle stalled inadvertently. The contact's daughter was unable to restart the vehicle. The vehicle was towed to an independent mechanic on three separate occasions where the turbo charger, the under-boost sensor, and spark plugs were replaced. However, the failure recurred several days after the repair. The contact stated that the failure…”

  NHTSA complaint · filed 05/06/2022

Unverified owner reports from NHTSA's public complaint database.

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