2021 Ford Mustang Engine Problems

“While entering an on-ramp and just before merging onto the freeway the vehicle failed to accelerate and I lost complete power from the engine. The vehicle was still powered on, but produced no combustion from the engine. The check engine light illuminated and a message appeared on the dash stating to shift the vehicle into neutral. I pulled off on the shoulder and shifted the vehicle into park. I shut the vehicle off and started it back up. After doing so I had full power once again. This is the sixth time this has happened.”

“My 2021 Ford Mustang EcoBoost is currently experiencing an ongoing issue with the EVAP purge valve, a critical emissions component. The vehicle suffers from stuttering, rough idle, and a check engine light, especially immediately after refueling, where the engine has stalled multiple times—posing a serious safety risk during traffic re-entry and acceleration.The purge valve has not been replaced, and the issue remains unresolved. …”

“The contact owns a 2021 Ford Mustang. The contact stated that immediately after purchasing the vehicle new, the engine experienced random misfire, causing the vehicle to lose motive power and acceleration. During the failure, the check engine warning light was illuminated. The vehicle was taken to the local dealer who reprogrammed the engine computer and replaced the camshaft sensor however, the failure persisted. The manufacturer was notified of the failure. The failure mileage was 700.”

“Vehicle engine is noisy with grinding sounds coming from lower side of engine, can be heard at idle speeds plus popping, ticking. Engine has no power, smells like raw fuel. Engine internal problems exist at 46,000 miles. Vehicle feels like will stall any minute. Ford engine V8 GT Fastback, Ford Mustang. Engine internal parts grinding, popping and ticking sounds from engine while running. Under warranty but dealer is not honoring warranty. Nielsen Ford, Morristown, NJ.”

“A steady Check Engine Light came on after starting the car; brought it to Ford Dealer of Montebello and they stated coolant leak and got into one of the cylinders that caused misfires.”