Problems · by component
1998 Ford F-150 engine and engine cooling problems
183 owner complaints to NHTSA about the 1998 Ford F-150 cite engine and engine cooling, 13% of all 1,418 complaints for this model year.
Complaints
183
13% of all complaints
Crashes
1
Reported by owners
Fires
14
Reported by owners
Injuries
1
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 1998 FORD F-150. THE CONTACT STATED THAT THE VEHICLE LEAKED ANTI FREEZE INTO THE NUMBER TWO CYLINDER AS A RESULT THE ENGINE BLEW APART. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 77,000.”
“WHILE DRIVING 25 MPH THE #2 SPARK PLUG STRIPED ITS THREADS AND BLEW OUT OF THE HEAD. THE PLUG REMAINED IN THE WIRING HARNESS CAP AND CONTINUED TO SPARK. THE REPAIR COST $220.00. I AM TOLD THIS IS AN ONGOING DEFECT IN THE DESIGN OF SOME OF FORDS ENGINES. *TR”
“TL* THE CONTACT OWNS A 1998 FORD F-150. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH, A STRONG ODOR OF FUEL EMITTED INSIDE OF THE VEHICLE. THERE WAS ALSO A LOUD TICKING NOISE COMING FROM THE ENGINE. THE CONTACT WAS ABLE TO MANEUVER TO THE SHOULDER OF THE ROAD. THE VEHICLE WAS THEN TOWED TO THE CONTACT'S RESIDENCE. THE CONTACT STATED THAT A SPARK PLUG DISLODGED FROM THE CYLINDER HEAD AND HE PLANNED TO TAKE THE VEHICLE TO AN INDEPENDENT MECHANIC FOR REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.”
“SPARK PLUG BLEW OUT OF THE HEAD WITH SUCH FORCE THAT IT CRACKED THE COIL AND WAS SPARKING ON THE FUEL LINE WITH FUEL VAPORS COMING OUT OF THE HEAD AT THE SAME TIME. THIS COULD HAVE CAUSED A FIRE/EXPLOSION IF THE VEHICLE COULD NOT HAVE BEEN SHUT OFF QUICKLY ENOUGH. I WAS IDLE IN MY DRIVEWAY AND NOT ON THE HIGHWAY WHERE IT WOULD HAVE TAKEN LONGER TO SHUT THE VEHICLE OFF. INTERNET RESEARCH RETURNED ASTONISHING AMOUNT OF COMPLAINTS FOR THE SAME ISSUE. *TR”
“TL* THE CONTACT OWNS A 1998 FORD F150. THE CONTACT STATED THAT THE MANIFOLD BOLTS WERE ROTTED, CAUSING THE EXHAUST TO LEAK INTO THE CABIN. THE DEALER HAD NOT BEEN NOTIFIED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND ADVISED THE CONTACT TO FILE A COMPLAINT. NO REPAIRS WERE PERFORMED. THE CURRENT MILEAGE WAS 110,000 AND THE APPROXIMATE FAILURE MILEAGE WAS 90,000.”
“TL* THE CONTACT OWNS A 1998 FORD F-150. THE CONTACT STATED THAT THE ENGINE CAUGHT ON FIRE WHILE THE VEHICLE WAS PARKED AND TURNED OFF. THERE WERE NO INJURIES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE BUT THE VEHICLE WAS NOT REPAIRED. THE EXACT CAUSE OF THE FIRE WAS NOT DETERMINED. THE FAILURE AND THE CURRENT MILEAGE WAS 188,000.”
Showing 6 of 183 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.