The fuel rail pressure sensor signal is cutting in and out unpredictably. This sensor monitors actual fuel pressure in the rail to ensure proper fuel delivery to the injectors.
Find certified mechanics near you who can diagnose and repair P0194.
For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.