Ford Fusion won't start problems

Filed Mar 21, 2026 · Transmission · ID

This 2019 Ford Fusion (2.0L EcoBoost, 6F35 transmission) has had THREE identical flexplate/flywheel failures (GSAR code 6375), each diagnosed by a different Ford-authorized dealer. FAILURE 1 (Nov 2021, 51k mi): Lost power at highway speed on interstate. Coasted to stop, would not restart. Broken flexplate. Ford repaired under warranty, reimbursed all expenses. FAILURE 2 (May 2022, 59k mi): Would not start, starter whined. Same diagnosis - broken flexplate. Ford repaired under warranty, reimbursed all expenses. FAILURE 3 (Feb 2026, 133k mi): Broke down on busy road. Police responded with emergency lights until tow arrived. Same diagnosis - broken flexplate, free spinning. Ford REFUSES repair despite confirming Customer Satisfaction Program 22N12 applies to this vehicle. SAFETY: Each failure causes sudden complete loss of drivetrain function with no warning. Failure 1 was at highway speed. Failure 3 required police response on a busy thoroughfare. The manufacturer issued CSP 22N12 acknowledging this defect. A manufacturer rep confirmed on 3/20/2026 that the program applies to this vehicle, then refused coverage citing mileage. The flexplate part was revised (suffix D to E) between failures, indicating the manufacturer knew the original design was defective. Three dealers, three techs, identical diagnosis each time. Vehicle is at dealer, available for inspection.

Filed Mar 4, 2026 · Fuel system · TX

There is a problem with the purge valve on the ford fusion. Car will not start after pumping gas. You have to step on the gas pedal several times and then the car will turn on. After doing research there seems to be several people with the same problem. The purge valve on the canister is getting stuck letting the fumes come in making the system run with extra fuel that’s escaping.

Filed Mar 3, 2026 · Engine · TX

Coolant leaking into cylinders on my 2019 Ford Fusion 1.5L EcoBoost—white smoke, rough idle, and wont start now. Ford's 21N12 program expired before I could get it fixed. Tons of owners report the same; it's a safety hazard.

Filed Dec 19, 2025 · Engine, Fuel system · TN

In early October 2025, the vehicle was taken to an independent dealership service department for a routine oil change. Several weeks later, the vehicle appeared to be leaking fluid and began experiencing loud knocking/clacking noises, significant vibration, and drivability concerns, especially during acceleration. On October 10, 2025, while parked at a family member’s residence, the vehicle would not start. Due to safety concerns, the servicing dealership arranged for the vehicle to be towed for inspection. Technicians found a split transmission hose causing transmission fluid loss, which was repaired; however, the abnormal noises, vibration, and drivability issues persisted. Further inspection identified loud popping/clacking noises from the bell housing area. The technician physically inspected the flex plate and documented that the flex plate was cracked. The dealership advised that a cracked flex plate can worsen, cause severe vibration, damage related components, and lead to drivability issues or potential loss of propulsion. Because of the nature of the failure and symptoms, the vehicle was removed from regular use due to safety concerns. The vehicle was later taken to a manufacturer-authorized Ford dealership, which confirmed flex plate failure but stated the vehicle did not qualify for a customer satisfaction program due to engine variant. A goodwill/financial assistance request was submitted and denied. Technician diagnostic documentation from the manufacturer-authorized dealership was requested but not provided prior to filing this complaint. No crash or injury occurred; however, the failure created a risk of sudden inability to propel the vehicle while driving, including at highway speeds. The vehicle remains unrepaired and parked due to cost and safety concerns.

Filed Oct 1, 2025 · Engine, Transmission · CA

Check engine light was on and off intermittently for a few months starting in march of 2025. No immediate problem then, vehicle had 89 90k miles. In August. The vehicles coolant was leaking into the engine . Rendering a misfire in the cylinder and blowing the head gasket after mechanical diagnosis but not checked immediately due to symptoms not occurring till after a few weeks in August.Car not once over heated but then would not start. The car would then not go past a 40 mph without the transmission pushing very hard. After 3rd party mechanic diagnosis, I looked into potential recall on Fords website and in fact there was one but I was never notified of. So I contacted ford . The said yes, your car is under warranty, however after taking it in, they refused to repair the damages since the problem occurred 10k miles passed the mileage listed on the warranty for the repair. The car is unsafe and not drivable and the issue, which they knew would occur, did not happen till 10k miles passed Fords set parameters in which even if I took it in at that timeframe listed, the problem was not noticeable to be fixed. Very unsafe and unfair to the consumer.

Filed Sep 21, 2025 · Engine · OK

Engine block needed replaced due to coolant intrusion. Started off with an engine light for misfire then started using coolant to smoking on start up then eventually hydrolocking the engine for a no start condition making car undriveable. Diagnosed at dealer for coolant intrusion with only fix of a new block at a cost around $10,000.

Filed Sep 11, 2025 · Engine · TX

Coolant is leaking into the cylinders and causing overheating and no start.

Filed Sep 4, 2025 · Engine · MI

The vehicle is having issues with not starting, white smoke coming from exhaust, multiple misfire issues, can not accelerate as car lags out in power. I had a mechanic do some diagnostic testing on it and he confirmed coolant is leaking down into the motor and the engine block is cracked. It currently is not drivable. Engine light started to come on and said it was the coil packs misfiring we changed them and it did not fix the issue. Put a brand new battery in as well and still won't start often. I have reported this to a law firm handling the case against Ford for this known issue. I have kids and do not feel safe putting them in this car as it is unreliable that could cause us serious injury.

Filed Aug 28, 2025 · Electrical · IN

I was driving on the expressway. My car Went into limp mode it didn’t stall completely out, but I was not able to accelerate any eventually the wheel became tight. every light came on.. I made it safely off the expressway. My car would not start the ODB port is not reading. I’ve taken it to several mechanics all of them say that it’s my PCM. They said my PCM needs to be reprogrammed. There’s currently an active recall from my exact car but when I search my vin It tells me I have no active recalls.

Filed Aug 4, 2025 · Engine · MD

2017 Ford Fusion got serviced at Ford dealership June 4, 2025. Service included, transmission flush, fuel induction service, oil change, oil filter change. About a month after service check engine light comes on upon starting the vehicle, but then goes out. A week later check engine light comes back on and would not start properly. Vehicle taken to independent mechanic and was told transmission fluid was low and also old. Vehicle taken to Ford dealership where service was done month prior. Ford dealership said cylinder misfire, coolant intrusion, and engine failure. Also transmission fluid was found to be low. Ford recommended new engine.