Engine Gasoline Turbo/supercharger problems of the 2018 Honda Accord

Two problems related to engine gasoline turbo/supercharger have been reported for the 2018 Honda Accord. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Honda Accord based on all problems reported for the 2018 Accord.

1 Engine Gasoline Turbo/supercharger problem

Failure Date: 11/04/2025

The contact owns a 2018 Honda Accord. The contact stated that while driving at various speeds and depressing the accelerator pedal, the vehicle failed to respond as intended. The contact stated that the engine was revving, and the tachometer was showing an elevated rpm level before the vehicle slowly responded. The contact stated that there were several unknown warning lights illuminated on the instrument panel. Additionally, the check engine, traction control, and brake warning lights illuminated and remained illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the turbocharger needed to be replaced. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 143,000.

2 Engine Gasoline Turbo/supercharger problem

Failure Date: 03/27/2025

The contact owns a 2018 Honda Accord. The contact stated while driving 25 mph, several unknown warning lights illuminated on the instrument panel. The vehicle returned to normal functionality, but the failure became a regular occurrence. The vehicle was taken to an independent mechanic, who determined that the turbocharger was not producing the expected boost pressure. The contact was informed that the obd was reset, and that the vehicle needed to be taken to the dealer. The vehicle was not repaired, and the unknown warning lights were again illuminated on the instrument panel. The manufacturer was not notified of the failure. The failure mileage was 142,000.




Accord Service Bulletins
Accord Safety Recalls
Accord Defect Investigations