Problems · by component

2005 Ford Mustang engine and engine cooling problems

31 owner complaints to NHTSA about the 2005 Ford Mustang cite engine and engine cooling, 4% of all 868 complaints for this model year.

Complaints
31
4% of all complaints
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“The contact owns a 2005 Ford Mustang. The contact stated that the check engine warning light was illuminated. While driving at approximately 25-35 MPH for approximately two miles, the engine started overheating. The oil pan gasket was leaking. The contact stated that the failure was related to NHTSA Campaign Number: 16V779000 (Engine and Engine Cooling). There were several hoses that were split. The vehicle was taken to an independent mechanic who determined that the radiator and engine were cracked, and the pistons were loose. There was air in the oil. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 123,000.”
Owner complaint to NHTSAFiled Mar 24, 2025Engine and engine coolingODI 11650264
“MY 16 YR OLD SON WAS DRIVING AND THE SPEED GAUGE STARTED READING 90 THEN 60 THEN 100 ALSO THE TEMP GAUGE WENT INTO THE RED. HE PANICKED THAT CAR WAS GOING TO BLOW UP AND PULLED OFF THE HIGHWAY AT NIGHT TO CALL TO SEE WHAT HE SHOULD DO. I FIND THIS TO BE VERY UNSAFE IN BOTH ASPECTS OF NOT KNOWING IF THE CAR COULD OF CAUSED AN ACCIDENT AND ALSO THE FACT OF HIM BEING ON THE SIDE OF THE HIGHWAY AT NIGHT. I HAVE READ OF OTHERS HAVING THIS SAME PROBLEM, THIS DIFFERENTLY NEEDS TO BE ADDRESSED BEFORE A MAJOR ACCIDENT DOES HAPPEN. FORD SHOULD BE ASHAMED OF THIS AND OFFER A CORRECTION ON THIS PROBLEM. *TR”
Owner complaint to NHTSAFiled Nov 26, 2012Engine and engine cooling, Vehicle speed controlODI 10486136
“TL* THE CONTACT OWNS A 2005 FORD MUSTANG GT. WHILE TRAVELING 35 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE AS IT STALLED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS NOT AVAILABLE. THE CURRENT AND THE FAILURE MILEAGES WERE 32,000.”
Owner complaint to NHTSAFiled Mar 15, 2012Engine and engine coolingODI 10451865
“DESIGN OF THE CABIN AIR INTAKE BOX AND DRAIN LED TO A BACK FLOW OF WATER DURING A HEAVY DOWNPOUR. THIS LED TO WATER FLOWING THROUGH THE AIR DUCTS AND INTO THE PASSENGER COMPARTMENT BEHIND THE GLOVE BOX. FORD PLACED 4"X6" PIECE OF FOAM OVER THE SMART JUNCTION BOX IN AN EFFORT TO "BANDAGE THE PROBLEM, RATHER THAN CORRECTING THE CAUSE. AS WATER ENTERED THE CABIN AREA, IT SOAKED THE SMART JUNCTION BOX TO FAIL WHICH MAY HAVE BEEN THE PROXIMATE CAUSE FOR THE ENGINE DYING. END RESULT IS THAT THE SMART JUNCTION BOX MUST BE REPLACED AND PROGRAMMED. *KB”
Owner complaint to NHTSAFiled Dec 29, 2011Engine and engine cooling, Electrical systemODI 10441675
“MY SON WAS DRIVING HIS 2005 FORD MUSTANG YESTERDAY WHEN IT BURST INTO FLAMES. HE WAS PULLING ONTO I 95 WHEN THE CAR SUDDENLY SHUT OFF. HE COULDN'T EVEN MAKE IF OFF THE DRIVING AREA WHEN IT CAME TO A COMPLETE STOP. ONCE IT STOPPED BLACK SMOKE STARTED POURING OUT. HE JUMPED OUT OF THE CAR AND RAN AWAY FROM IT WHEN IT BURST INTO FLAMES. THE CAR WAS IN PERFECT CONDITION. NEVER EVEN MISSED AN OIL CHANGE. NO WARNING SIGNS OF ANY ISSUES. I AM THANKFUL THAT MY SON IS SAFE BUT VERY UPSET AT THE FORD CAR AND HAVE NOW READ MANY FORD FIRE ISSUES THAT FORD HAS NOT CORRECTED. *TR”
Owner complaint to NHTSAFiled Oct 1, 2011Engine and engine coolingFire reportedODI 10428129
“PROBLEMS WITH GAUGE CLUSTER ON MY 2005 FORD MUSTANG GT...WHEN IT'S COLD THE TEMP. GAUGE DOES NOT REGISTER ACCURATELY AND NOW THE TACHOMETER DOES NOT FUNCTION CORRECTY ALL THE TIME. *TR”
Owner complaint to NHTSAFiled Mar 28, 2011Engine and engine cooling, Electrical systemODI 10393100

Showing 6 of 31 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 27, 2026NHTSA vehicle page

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