Problems · by component

1999 Ford Expedition engine and engine cooling problems

253 owner complaints to NHTSA about the 1999 Ford Expedition cite engine and engine cooling, 26% of all 970 complaints for this model year.

Complaints
253
26% of all complaints
Crashes
0
Reported by owners
Fires
15
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“1999 FORD EXPEDITION. CONSUMER WRITES IN REGARDS TO VEHICLE BLOWN SPARK PLUGS. *SMD THE CONSUMER STATED WHILE DRIVING, THE SPARK PLUG BLEW OUT THE CYLINDER#8. *JB UPDATED 09/21/15*LJ THE CONSUMER STATED THE VEHICLE LOST POWER AND EVENTUALLY STALLED. UPDATED 09/24/15*JB”
Owner complaint to NHTSAFiled Jul 8, 2015Engine and engine coolingODI 10732116
“TL* THE CONTACT OWNS A 1999 FORD EXPEDITION. WHILE DRIVING APPROXIMATELY 45 MPH, THE BOLTS FROM THE EXHAUST MANIFOLD RELEASED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE EXHAUST MANIFOLD AND BOLTS NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 143,000.”
Owner complaint to NHTSAFiled Feb 25, 2015Engine and engine coolingODI 10690606
“I JUST PURCHASED THIS EXPEDITION AND THE NUMBER 2 SPARK PLUG EJECTED FROM THE ENGINE DESTROYING THE COIL PACK AND STRIPPING THE THREADS. I HAVE READ ALOT ABOUT THIS AND FEEL THAT FORD SHOULD DO SOMETHING ON THIS ISSUE. SO MANY PEOPLE HAVE SPENT SO MUCH MONEY ON A DESIGN FAILURE THAT FORD DOES NOT WANT TO TAKE RESPONSIBILITY FOR. I HAVE OWNED NUMEROUS FORDS AND I AM VERY DISAPPOINTED IN THIS VEHICLE. SINCE I JUST GOT IT I HOPE THIS DON'T HAPPEN AGAIN. IT SHOULD BE RECALLED. *TR”
Owner complaint to NHTSAFiled Feb 17, 2012Engine and engine coolingODI 10448328
“TL* THE CONTACT OWNS A 1999 FORD EXPEDITION. THE CONTACT STATED THAT THERE WAS AN ABNORMAL VIBRATION FROM THE MOTOR WHICH WAS STRIPPING THE SPARK PLUGS. THE DEALER ADVISED THE CONTACT THAT THE VEHICLE WAS OPERATING AS DESIGNED AND ALSO ADVISED THAT SHE PURCHASE A SPARK PLUG KIT. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE HOWEVER, DID NOT OFFER ANY ASSISTANCE. NO REPAIRS WERE PERFORMED. THE CURRENT MILEAGE WAS 135,000 AND THE APPROXIMATE FAILURE MILEAGE WAS 134,500.”
Owner complaint to NHTSAFiled Nov 3, 2011Engine and engine coolingODI 10434094
“THE SPARK PLUG EJECTED FROM BLOCK BREAKING ELECTRONIC COIL. TWO WEEKS LATER HAPPENED AGAIN THEN AFTER A HEILCOIL WAS INSTALLED AND ON 10/15/2011 SAME HAPPENS FOR THE THIRD TIME. *TR”
Owner complaint to NHTSAFiled Oct 16, 2011Engine and engine coolingODI 10430379
“WHILE MOVING ACROSS COUNTRY MY 1999 FORD EXPEDITION EJECTED THE NUMBER 3 SPARK PLUG. THIS SITUATION PLACED MY FAMILY IN HARM'S WAY AS IT OCCURRED ON THE INTERSTATE AND WAS QUITE STARTLING. THE SERVICE REP WAS ABLE TO TELL ME WHAT WAS WRONG WITH MY VEHICLE AS SOON AS TOLD HIM THE MAKE AND MODEL. THE REPAIR COST IS SIGNIFICANT, BUT THE POTENTIAL FOR AN UNDER HOOD FIRE CAUSED BY THE FUEL VAPORS BEING IGNITED BY THE EJECTED PLUG IS OF GRAVE CONCERN. FORD IS KEENLY AWARE OF THE PROBLEM AND HAS DESIGNED A REPLACEMENT HEAD FOR THE VEHICLE, BUT REFUSES TO DO THE HONORABLE THING AND REPLACE IT AT THEIR EXPENSE. THEY INSTEAD CHOOSE TO PROFIT FROM THEIR CUSTOMERS BY CHARGING THEM FOR THE REPAIR OR REPLACEMENT OF THE CYLINDER HEADS. I FIND IT PREDATORIAL THAT A CAR COMPANY WOULD MAKE A FAULTY PRODUCT AND THEN PROFIT FROM THE REPAIR OF SAID PRODUCT. THIS COULD START A NEW PRECEDENT BY SIGNALING TO OTHER CAR COMPANIES THAT IF YOU SELL A DEFECTIVE VEHICLE, YOU CAN MAKE MONEY ON THE BACKSIDE BY CHARGING FOR THE REPAIR OR REPLACEMENT OF THAT PART. THE SAFETY CONCERNS THAT ARE ASSOCIATED WITH THIS FAILURE ARE RELATED TO THE LOUD AND SUDDEN POPPING SOUND WHEN THE PLUG EJECTS,…”
Owner complaint to NHTSAFiled Sep 25, 2011Engine and engine coolingODI 10427121

Showing 6 of 253 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.