2017 Ford Mustang Engine Problems

Mileage when the problem started

• Under 25k
  1043%
• 25k–50k
  522%
• 50k–75k
  29%
• 75k–100k
  417%
• 100k–150k
  29%
• 150k+
  00%

Owner reports

Selected complaints filed with NHTSA by 2017 Ford Mustang owners, lightly cleaned up (personal details are redacted by NHTSA).

The contact owns a 2017 Ford Mustang. The contact stated that after the vehicle was started in the morning, the vehicle was idling rough. The contact stated that later while driving at various speeds, there was a misfire coming from the engine. The contact stated that while checking the engine oil level, the contact became aware that the coolant reservoir level was low. The contact refilled the coolant reservoir however, the engine misfire continued. The contact had taken the vehicle to a local dealer who diagnosed the vehicle and determined that there was coolant intrusion into the cylinders, and that the engine needed to be replaced. The vehicle was not repaired. The contact notified the manufacturer of the failure and was referred by the manufacturer to contact the NHTSA Safety Hotline to report the failure. The failure mileage was 115,288.

The contact owns a 2017 Ford Mustang. The contact stated that while driving at approximately 15 MPH and making a U-turn, the engine overheated, and the vehicle stalled. There was smoke coming from the tail pipe. There was an abnormal odor of coolant in the vehicle. The contact opened the hood and noticed that the engine oil was milky, and the coolant reservoir was empty. The engine overheated, and the message "Limited Power Due to Overheating" was displayed. The check engine warning light was illuminated. The contact researched the failure and indicated that the failure was due to the head gasket and engine. The vehicle was towed to the local dealer but was not diagnosed or repaired. The manufacturer was contacted and opened a case. The contact was referred to the dealer for assistance. The failure mileage was approximately 83,000.

The contact owns a 2017 Ford Mustang. The contact stated that while at a complete stop, white smoke started coming from the engine compartment. There was no warning light illuminated. The vehicle was taken to a dealer where the contact was provided an estimate for a diagnostic test; however, the diagnostic test was not performed. A friend later informed the contact of NHTSA Campaign Number: 16V779000 (Engine and Engine Cooling) and the contact linked the failure to the recall. The dealer and the manufacturer were notified of the failure and informed the contact that the vehicle was not under recall. The vehicle was not repaired. The failure mileage was approximately 15,000.

The contact owns a 2017 Ford Mustang. The contact stated that upon starting the vehicle, the check engine warning light was illuminated. The vehicle was taken to Auto Zone, where the contact was informed that there was misfire in the engine. The vehicle was then taken to the dealer, where it was diagnosed that there was coolant intrusion into cylinder #2. The dealer recommended that the long block be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for information on NHTSA Campaign Number: 16V779000 (Engine and Engine Cooling). The failure mileage was approximately 81,000.

The contact owns a 2017 Ford Mustang. The contact stated while driving approximately 40 MPH, the message "High Temperature - Pull Over" was displayed on the instrument panel. The contact was consistently adding coolant to the coolant reservoir for the vehicle to return to normal operation. The failure had occurred on several occasions. The contact stated that there was no warning light illuminated. The vehicle was taken back to the residence. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 80,000.

The contact owns a 2017 Ford Mustang. The contact stated that while driving at various speeds, the vehicle intermittently experienced surging, hesitation, and a loss of motive power. On one occasion while driving at an undisclosed speed, the vehicle stalled and was towed to the local dealer who diagnosed that the air compressor and battery had failed, causing two engine belts to malfunction. No further information was available. The vehicle was repaired however, the failure persisted. The manufacturer was notified of the failure but no assistance was offered. The failure mileage was 13,000.

The contact owns a 2017 Ford Mustang. The contact stated while driving at an undisclosed speed, the vehicle was jerking with the check engine warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed and determined that cylinder #1 had misfired and that the long block needed to be replaced. The vehicle was not repaired. The contact stated that the spark plugs, and ignition coils had previously been replaced. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 88,000.

The contact owns a 2017 Ford Mustang. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power while driving sluggishly. The check engine warning light was illuminated. The vehicle was taken to the dealer, who determined an increased bore size for cylinder #2, which was allowing an abnormal amount of coolant to flow into the engine. The vehicle was not repaired. The manufacturer was notified of the failure but referred the contact to the NHTSA Hotline for assistance. The failure mileage was 101,000.

The contact owns a 2017 Ford Mustang. The contact stated while driving approximately 10 MPH, he detected smoke coming from the vehicle. The contact noticed that oil was leaking from the headers. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the valve cover gasket was leaking. The vehicle was not repaired due to parts being backordered. The manufacturer was not contacted. The failure mileage was approximately 6,000.

The contact owns a 2017 Ford Mustang. The vehicle was taken to the local dealer for a routine timing cover replacement. The contact believed the engine was damaged while being serviced. Upon retrieval, the check engine light was illuminated. There was an abnormal ticking noise detected. The vehicle had misfired. The vehicle had not been diagnosed or repaired. The manufacturer was not notified. The failure mileage was approximately 50,000.

Related recalls

Engine complaints in other Mustang years