The fuel composition sensor circuit has a malfunction preventing normal operation. This sensor detects ethanol content in flex-fuel vehicles to adjust fuel delivery for different fuel blends.
Find certified mechanics near you who can diagnose and repair P0176.
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.