Chevrolet Sonic Engine Problems

Engine complaints by model year

Which parts fail

• Exhaust system › Emission control › Catalytic convertor
  3
• Engine › Gasoline › Turbo/supercharger
  2

Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).

Mileage when the problem started

• Under 25k
  4023%
• 25k–50k
  4425%
• 50k–75k
  3721%
• 75k–100k
  2816%
• 100k–150k
  2213%
• 150k+
  42%

What owners report

The contact owns a 2019 Chevrolet Sonic. The contact stated while pulling into the garage, the high engine temp warning light illuminated, and the engine was overheating. The contact immediately turned off the vehicle. The contact stated there was coolant underneath the front of the vehicle. The contact had learned that the water pump failure was common for the vehicle and believed that the water pump had failed. The contact was able to identify an extended warranty for the failure. The vehicle had not been taken to the dealer. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure when it was confirmed that the VIN was not covered under warranty or recall. The manufacturer had referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 81,400.

The contact owns a 2019 Chevrolet Sonic. The contact stated the RPMs rose abnormally high. The contact stated that the check engine warning light had illuminated. The vehicle was taken to an AutoZone where it was scanned and diagnosed that the turbo charger had failed and needed to be replaced. The diagnostic scan retrieved DTC code: P0299. The manufacturer was made aware of the failure. The failure mileage was approximately 47,600.

The contact owns a 2018 Chevrolet Sonic. The contact stated that while driving at an undisclosed speed, the engine was idling roughly. The contact stated that the check engine warning light was illuminated. Additionally, the contact stated that the vehicle was consuming an excessive amount of fuel. The contact stated that the canister purge valve had previously been replaced, but the failure persisted. The vehicle was taken to an independent mechanic, who determined that the canister purge valve needed to be replaced a second time. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 85,000.

The contact owns a 2018 Chevrolet Sonic. The contact stated that operating the vehicle, the front driver side seat would erroneously slide forward causing the driver's knees to make contact with the dash panel. In addition, while driving at various speeds the vehicle had suddenly stalled. The vehicle was taken to the local dealer who diagnosed that the electronic control unit hardware was faulty. Also, the emergency brake cable was hanging low to the ground under the vehicle. The vehicle was not repaired. The local dealer was notified of the failures. The manufacturer was not contacted. The failure mileage was 28,000.

The contact owns a 2017 Chevrolet Sonic. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The check engine warning light was illuminated. The contact stated that the engine made an abnormally rough sound, the transmission failed to shift as intended, and the vehicle failed to accelerate as intended. The contact exited the highway and continued to drive at slower speeds. The vehicle was taken to an Auto Zone, where it was diagnosed with turbo charger failure. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired, and the failure persisted. The vehicle was driven but was no longer driven on the highway. The manufacturer was not made aware of the failure. The failure mileage was approximately 55,000.

The contact owns a 2017 Chevrolet Sonic. The contact stated that when the vehicle was started, the entire vehicle was shaking. The contact stated that after the vehicle was left idling, the shaking and vibration diminished; however, when the vehicle was shifted into drive(D) and the accelerator pedal was depressed, the vehicle was slow to respond. The contact stated that the vehicle was slow to gain forward momentum while attempting to merge into traffic or ascend a grade in the road. The contact drove the vehicle to an independent mechanic who diagnosed the vehicle and determined that the turbo needed to be replaced. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 108,000.

The contact owns a 2016 Chevrolet Sonic. The contact stated while driving 25 MPH, the vehicle began to stall inadvertently. The engine overheating warning light illuminated. The contact stated that she veered to the side of the road and turned off the vehicle. The contact's friend came on the scene and provided her with engine coolant, and she added the coolant to the vehicle. The contact continued to drive the vehicle. The vehicle was taken to an independent mechanic who diagnosed that the thermostat housing had melted and needed to be replaced. The contact stated that the vehicle was repaired; however, the failure reoccurred while driving. The vehicle was taken to an independent mechanic several times and the thermostat housing was replaced three times due to its plastic-based material. …

The contact owns a 2016 Chevrolet Sonic. The contact stated while driving approximately 45 MPH, the vehicle lost motive power. The ESC and oil pressure warning lights were illuminated. The vehicle was taken to the residence. The vehicle was then taken to an independent mechanic where it was diagnosed that the Intake Plenum Gasket and other unknown parts needed to be sealed. The manufacturer was notified of the failure. The failure mileage was 36,299.