Problems · by component
2011 Ford Mustang engine problems
48 owner complaints to NHTSA about the 2011 Ford Mustang cite engine, 10% of all 466 complaints for this model year.
Complaints
48
10% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“The contact owns a 2011 Ford Mustang. The contact stated that while driving at various speeds, the check engine warning light illuminated, and the vehicle lost motive power and failed to properly accelerate while depressing the accelerator pedal. After turning off and restarting the vehicle, the vehicle operated as needed. The vehicle was taken to the local mechanic who was unable to determine the cause of the failure. The manufacturer was notified of the failure, but no assistance was offered. The local dealer was not notified of the failure. The failure mileage was 125,000.”
“VEHICLE HAS LESS THAN ONE YEAR SINCE IT BROKE DOWN LAST AND NOW I HAVE ANOTHER PROBLEM. THE SECONDARY TIMING CHAIN TENSIONER HAS FAILED AND LEAD TO SECONDARY TIMING CHAIN FAILURE BROKEN ROCKER ARM AND MAYBE DAMAGE TO THE PISTON IT HAS BEEN PROBLEM AFTER PROBLEM THIS CAR IS A LEMON AND THIS NEEDS TO BE ADDRESSED I WAS DRIVING THROUGH AND INTERSECTION AND MY CAR STALLED LUCKILY IT STARTED ONCE MORE JUST LONG ENOUGH TO GET IT OFF THE BUSY ROAD. THERE WAS BOLTS ON THE VALVE COVER THAT'S WEREN'T EVEN DRILLED THROUGH THE PLASTIC VALVE COVER. THERE IS NO REASON A FAIRLY NEW MOTOR SHOULD HAVE MALFUNCTIONED LIKE THIS.”
“TL* THE CONTACT OWNS A 2011 FORD MUSTANG. WHILE STARTING THE VEHICLE THERE WAS AN ABNORMAL TICKING NOISE DETECTED FROM THE ENGINE AREA. THERE WERE NO WARNING LIGHTS ILLUMINATED. THE CONTACT CALLED METRO FORD 9000 NW (7TH AVE, MIAMI, FL 33150, (305) 751-9711) HOWEVER THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED AND THE CONTACT WAS INFORMED THAT VEHICLE WAS NOT COVERED UNDER WARRANTY. NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS 92,800.”
“THE CAR WILL "SHUT DOWN" (WRENCH ERROR LIGHT) AT ANY TIME, ANYWHERE, ANY SPEED. VERY DANGEROUS!!! ERROR CODE P2111 THROTTLE BODY ACTUATOR STUCK OPEN. I HAVE SEEN NUMEROUS POSTS ON THIS. FORD REALLY NEEDS TO FIX THIS!!! I WILL NO LONGER LET MY CHILD DRIVE THIS CAR. SO UNSAFE!! IT HAPPENED TO ME SEVERAL TIMES A DAY PROBABLY THREE TIMES IN THE LAST WEEK. THE VEHICLE IS IN MOTION, HIGHWAY, CITY, STRAIGHT, TURNS, FAST, SLOW.”
“TL* THE CONTACT OWNS A 2011 FORD MUSTANG. WHILE DRIVING 70 MPH WITH THE CRUISE CONTROL ENGAGED, THE VEHICLE STALLED AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO ELKINS FORDLAND (696 BEVERLY PIKE, ELKINS, WV 26241, (304) 636-2222), BUT THEY WERE UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS CONTACTED AND DID NOT ASSIST. THE FAILURE MILEAGE WAS 50,000.”
“WHILE DRIVING AT 40 MPH THE CAR LOST POWER AND WAS ONLY ABLE TO MOVE AT ABOUT 2-3 MPH. A 'WRENCH' WARNING LIGHT CAME ON. DRIVING THE CAR AT THIS SPEED WAS UNSAFE AND IN HIND SIGHT I SHOULD HAVE PARKED IT AND TOWED TO A DEALER.”
Showing 6 of 48 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.