A failing turbocharger starves the engine of boost pressure, triggering immediate power loss, increased exhaust smoke, and in most cases a check engine light tied to boost or oil pressure fault codes.

When a turbocharger fails, the compressor wheel, turbine wheel, or center bearing housing is typically compromised — often from oil starvation, foreign object ingestion, or a seized wastegate actuator. On Ford EcoBoost platforms like the 2013–2020 Fusion and Escape, a failed turbocharger causes the engine to run in a reduced-power limp mode. Continued operation forces unburned oil into the intake and exhaust, which can damage the catalytic converter downstream if the turbocharger failure isn't addressed promptly.

  • A failed turbocharger typically triggers DTC codes P0299 (underboost) or P0234 (overboost) on OBD-II systems.
  • Oil consumption can increase by 1 quart or more per 1,000 miles when a turbocharger's center seal fails.
  • On Ford 1.5L and 2.0L EcoBoost engines, a seized wastegate actuator is a leading cause of turbocharger failure and boost loss.
  • A turbocharger replacement on a Ford Fusion 1.5L EcoBoost crosses to OEM part number F1FZ-6K682-D as the direct replacement reference.
  • Driving more than 500–1,000 miles on a confirmed failed turbocharger risks catalytic converter contamination from oil bypass.