Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2018 Ford Explorer owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2018 Ford Explorer. The contact started while driving at approximately 20 MPH, the check engine warning light and several unknown warning lights were illuminated. The electrical system shut down and the engine stalled. The instrument panel became inoperable. Additionally, the power steering became inoperable and the brake pedal was depressed, but failed to respond, causing the contact to lose control of the vehicle. The vehicle drove off the road and violently crashed into a ditch. The air bags failed to deploy. The contact sustained a significant whiplash and a stiff neck. The contact had not yet received medical assistance. The contact was able to exit the vehicle through the front driver's side door. The vehicle was towed to the contact's residence. There was no police report filed. …
The contact owns a 2018 Ford Explorer. The contact stated that while driving at approximately 80 MPH, the vehicle stalled without warning. The contact stated that she was able to coast the vehicle off the roadway safely. The vehicle was then towed to an independent mechanic where the failure could not be duplicated; however, the failure recurred. The contact stated that while driving at an undisclosed speed, the vehicle stalled without warning. The contact stated that a message then flashed on the instrument panel "Full Accessory Active". The contact stated that the following day, she attempted to start the vehicle, but the engine failed turnover. The contact stated that she waited approximately 30 minutes to an hour and was able to restart the vehicle. The vehicle was taken back to the independent mechanic, but the failure could not be duplicated. The failure recurred. …
The contact owns a 2018 Ford Explorer. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic who diagnosed the vehicle and retrieved DTC: P0303 (Misfire in cylinder #3). The vehicle was not repaired. The contact took the vehicle to the dealer, who confirmed the failure. The dealer replaced the spark plugs and ignition coils. The contact stated that the failure persisted. The contact stated that on a separate occasion, after the contact had the tires serviced, and the engine overheated. The vehicle was taken back to the dealer and was diagnosed with coolant intrusion into the cylinders, causing engine failure. The contact was informed that the torque converter and engine needed to be replaced; however, the vehicle was not repaired for the most recent failure due to the cost. …
The contact owns a 2018 Ford Explorer. The contact stated while driving 30 MPH, there was a message indicating that the engine was overheating. Additionally, the contact became aware of a burning odor. The contact was able to drive to the residence and parked the vehicle in the garage. The contact then noticed that coolant was leaking onto the ground. The contact stated that coolant was added to the vehicle; however, half of the coolant leaked from the vehicle. An independent mechanic diagnosed the vehicle at the residence. The vehicle was diagnosed with water pump failure. The contact was referred to the dealer for the repair. The dealer was notified of the failure and informed the contact that he would be charged a repair fee because the vehicle was out of warranty. The vehicle was not repaired. The manufacturer was not notified of the failure. …
The contact owns a 2018 Ford Explorer. The contact stated that while driving approximately 35 MPH, the vehicle started vibrating excessively and the vehicle hesitated with several unknown warning lights illuminated. The contact stated that while driving uphill the message "Hill Start Assist Not Available" was displayed. The contact was able to drive uphill; however, the failure recurred after driving a short distance. The transmission unexpectedly downshifted and the vehicle was not able to pull into the driveway. The contact stated that several unknown warning lights were illuminated. The vehicle was towed to the local dealer, who diagnosed that there were metal shards found in the engine and that the transmission had failed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 86,000.
The contact owns a 2018 Ford Explorer. The contact stated while driving approximately 35 MPH, there was black smoke coming from under the hood. The vehicle was towed to the local dealer, who diagnosed that the battery was faulty. The battery was replaced. The contact stated that while driving, there was black smoke coming from under the hood, and the vehicle was towed to the dealer and was diagnosed with transmission failure. The transmission was replaced. Later, while driving again, the black smoke was again present coming from the hood of the vehicle, and the vehicle was towed to the dealer, who diagnosed the vehicle and determined that the engine and turbo were faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 40,000.
The contact owns a 2018 Ford Explorer. The contact stated while her husband was driving approximately 45 MPH, the check engine warning light started flashing. The contact stated that after blinking twice, the vehicle lost motive power and stalled. The driver coasted to the side of the roadway and had the vehicle towed to a certified mechanic who diagnosed the vehicle and determined that the water pump had failed and needed to be replaced. The certified mechanic explained that coolant had leaked into the engine oil causing the engine to fail. The vehicle was taken to the dealer who confirmed the diagnostic result and determined that the engine needed to be replaced. The vehicle had not been repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 73,000.
The contact owns a 2018 Ford Explorer. The contact stated that while driving at an undisclosed speed, the engine overheated. The contact stated that the vehicle was losing coolant, but there was no indication of a coolant leak. There were no warning lights illuminated. There was cool air coming from the heater vents. The contact called an independent mechanic for orange coolant, who informed the contact that the coolant was on backorder. The vehicle was taken to the local dealer for a routine oil change and diagnosed that the water pump was leaking and needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The contact was referred to the NHTSA Hotline for assistance. The approximate failure mileage was approximately 95,000.
The contact owns a 2018 Ford Explorer. The contact stated that after the vehicle was idling at a traffic stop, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light illuminated. The contact pulled over to the side of the road and turned off the vehicle. The vehicle was restarted; however, the vehicle stalled after driving several minutes. The vehicle was towed to an independent mechanic who diagnosed the vehicle with engine failure and determined that the engine needed to be replaced. The vehicle was not repaired due to the cost. The vehicle remained with the independent mechanic unrepaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 162,000.
The contact owns a 2018 Ford Explorer. The contact stated that while driving at an undisclosed speed, the check engine and coolant warning lights illuminated. The vehicle was taken to a local independent mechanic where it was diagnosed that the water pump had leaked into the engine and advised the contact to maintain the anti-freeze level at full. The vehicle was taken to another local independent mechanic for a second opinion where it was diagnosed with the same failures and advised the contact to reach out to the local dealer for assistance. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 160,000.
Engine complaints in other Explorer years
Frequently asked questions
How common are engine problems on the 2018 Ford Explorer?
NHTSA has 121 complaints about the engine & cooling of the 2018 Ford Explorer, 16% of the model year's 734 complaints. The component named most often is exhaust system (4 mentions).
Is there a recall for 2018 Ford Explorer engine problems?
No. NHTSA lists no engine & cooling recall for the 2018 Ford Explorer, though it has 7 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2018 Ford Explorer engine problems start?
Half of the complaints with a recorded mileage happened before about 50,000 miles, and 35% before 25,000 miles.
Is it dangerous?
Owners linked 3 crashes, 3 fires and 6 injuries to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.