The contact owns a 2021 Ford Bronco Sport. The contact stated that the check engine warning light was illuminated. The contact stated that the vehicle sputtered while accelerating or making a left or right turn. The vehicle was returned to the dealer, who diagnosed the vehicle with a failed high-pressure purge valve. The high-pressure purge valve was replaced. The contact stated that after the repair, the check engine warning light remained illuminated, and the vehicle seemed as if the vehicle was going to stall after refueling the vehicle. The vehicle was returned to the dealer, who diagnosed a failed high-pressure sensor for the fuel injector. The vehicle was repaired, but the check engine warning light remained illuminated. While driving approximately 5 MPH, the vehicle failed to accelerate as needed. The contact pulled over to the side of the road, where the vehicle was taken to the dealer, who diagnosed failures with the alternator and suspension. The contact had the vehicle towed to a certified mechanic who completed the repairs. The contact stated that the vehicle had not experienced the failures again; however, the check engine warning light remained illuminated. The vehicle was taken to another dealer, Medford Ford Inc, (186 NJ-70, Medford, NJ 08055); who determined that the coolant reservoir was empty. The coolant reservoir was refilled. The dealer also retrieved DTC: P3402. The check engine warning light remained illuminated. The vehicle was not repaired. The contact learned of a Customer Satisfaction Program however, the vehicle was not included. The manufacturer was informed of the failure and opened a case. The failure mileage was unknown.