Turbocharger failure with reduced engine power
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
22 NHTSA complaints · 2025-12-17 → 2026-07-30
“The contact stated that while driving at an undisclosed speed, the message “Engine Power Reduced” was displayed. The failure was a persistent failure. The vehicle was taken to the dealer where it was diagnosed with turbocharger failure. The contact was informed that the…”
“My 2022 Chevrolet Malibu LT repeatedly and unpredictably enters a "Reduced Engine Power" state, causing sudden, dangerous drops in speed while driving in traffic. This intermittent loss of power happens constantly on and off, creating an ongoing and severe safety hazard. A…”
“The turbocharger system failed, specifically the wastegate arm, resulting in loss of boost and reduced engine performance. The failed component should be available for inspection upon request through the servicing dealership. Safety Risk: The failure caused a sudden loss of…”
“The contact stated that while driving at various speeds on several occasions, the check engine warning light illuminated, and the message "Reduced Engine Power" was displayed. The accelerator pedal was depressed, but the vehicle failed to respond and lost automotive power”