The ignition coil for cylinder 1 has a primary or secondary circuit malfunction. This coil is responsible for generating the high-voltage spark that ignites the fuel-air mixture in cylinder 1.
Find certified mechanics near you who can diagnose and repair P0351.
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.