NHTSA Complaint #11519433 — 2018 FORD FUSION

The contact owns a 2018 Ford Fusion. The contact stated while driving approximately 30 MPH, the vehicle started to shudder with a large cloud of bluish smoke coming from the exhaust pipe. The contact stated that the vehicle was also shuddering and idling rough when started. The contact stated that the check engine warning light was illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed, and the mechanic retrieved DTC: P0304 and determined that there had been a misfire in cylinder #4. The dealer recommended that the spark plugs be replaced, and the fuel system cleaned. The vehicle had been repaired. The contact stated that the failure had reoccurred and returned the vehicle to the same dealer who diagnosed and found that coolant had intruded into the engine block and recommended that the engine be replaced. The contact researched online and related the failure to manufacturer Customer Satisfaction Program: 21N12 Coolant Intrusion (Engine and Engine Cooling). The manufacturer had been informed of the failure. The failure mileage was 100,556. The consumer stated the vehicle is no longer in her possession.