NHTSA Complaint #11466637 — 2016 FORD ESCAPE

FORD 04/29/22: Brought my 2016 Ford Escape Titanium to dealership in Bremerton, WA when engine light was on and engine began shuddering on a cold start. Mechanic found P034 for a #4 engine miss. Removed #4 plug & found some buildup on coil boot. Replaced plugs &#4 coil boot. Installed SP550 spark plug, CB5Z 124402 A boot, ignition wire prot, replaced spark plugs and 2 worn coil boots. Completed fuel induction service & installed 201 fuel injection cleaner. Total: $1,097.31 05/13/22: Return to dealership to report engine light on again & intermittent shudder on cold start. Mechanic found P304 present. Passed relative compression test. After cold starting vehicle for a few days, mechanic verified reported concern. Pressure tested cooling system, removed #4 spark plug. Using bore scope, found coolant seeping into cylinder. Recommended engine replacement due to coolant intrusion into cylinder. Dealership submitting to Ford for good will. Awaiting response. Mileage: 51,158 Service manager informed me my car was “safe to drive”