Problems · by component

2006 Ford Fusion engine problems

47 owner complaints to NHTSA about the 2006 Ford Fusion cite engine, 6% of all 730 complaints for this model year.

Complaints
47
6% of all complaints
Crashes
4
Reported by owners
Fires
1
Reported by owners
Injuries
3
Reported by owners
01 —Owner reports

What owners say about the engine

Verbatim from NHTSA complaints, newest first
“The contact owns a 2006 Ford Fusion. The contact became aware of an oil leak on the ground underneath the vehicle. The vehicle was taken to an independent mechanic who stated that oil was leaking from the engine. The mechanic was unsure where the leak originated. The vehicle was not repaired. The manufacturer was contacted but provided no assistance. The approximate failure mileage was 108,000.”
Owner complaint to NHTSAFiled Jun 13, 2023EngineODI 11526878
“The contact owns a 2006 Ford Fusion. The contact stated that while driving at various speeds, there was an abnormal creaking sound coming from the front end of the vehicle. There was no warning light illuminated. The contact stated that the vehicle was repaired on several occasions due to the failure. The contact stated that each summer after the vehicle was repaired, the failure returned. The manufacturer was notified of the failure but provided no assistance. The vehicle was not repaired. The failure mileage was unknown.”
Owner complaint to NHTSAFiled Jun 5, 2023EngineODI 11525395
“2006 FORD FUSION: WHEN DRIVING AFTER THE CAR GETS WARM UP IT IS STARTS SLIPPING AND SHIFTING SOMEONE HARSHLY LIKE IT JUST GOT KICKED. I WAS ON THE FREEWAY AND COULDN'T SPEED UP ALMOST GOT REAR ENDED. I SEE OTHERS HAVE THE SAME ISSUE AFTER DOING A SEARCH I FOUND DIFFERENT ANSWER AS WHAT COULD BE WRONG. FOUND OUT WHAT THE ISSUE IS WITH THE AISIN TRANSMISSIONS SLIPPING WHICH WERE USED IN THE 2006 FUSION. IT IS DUE TO VALVE BORE WEAR IN THE MAIN CONTROL. IF THE TRANS FLUID ISNT BURNT (MEANING THERE IS INTERNAL TRANS CLUTCH DAMAGE) THEN YOU ARE LOOKING AT $800-$1000 TO REPLACE THE MAIN CONTROL. IF THE CLUTCHES ARE BURNT THE WHOLE TRANS WILL HAVE TO BE REPLACED COST??? SOMETHING LIKE $4000-$5000. THE PROBLEM IS THAT WHEN FORD BOUGHT THE AISIN TRANS, FORD DID NOT BUY THE SERVICE RIGHTS. SO THERE ARE NO SERVICE PARTS AVAILABLE OR TRAINING AVAIL ON HOW TO SERVICE THIS TRANS. THE ISSUE WITH THE MAIN CONTROL HAS BEEN SO COMMON THAT AISIN HAS AGREED TO SUPPLY FORD WITH SERVICE MAIN CONTROLS.THERE HAS BEEN A TECHNICAL SERVICE BULLETIN OUT THERE. SEE BELOW TSB BULLETIN DATE: FEB 2007 VARIOUS DRIVEABILITY/TRANSMISSION SYMPTOMS - PCM/TCM CALIBRATION UPDATES 3.0L - AISIN F21…”
Owner complaint to NHTSAFiled Oct 2, 2018Power train, Vehicle speed control, EngineODI 11132958
“THERMOSTAT STICKS OPEN (COLD) WHILE DRIVING. SUDDEN JUMPS TO NORMAL TEMPERATURE RANGE FOLLOWED BY DROP TO COLD AGAIN. VEHICLE HAS HARD TIME STARTING WHEN TEMPERATURE GAUGE IS ON COLD MARK AFTER RUNNING FOR ANY PERIOD OF TIME. THERMOSTAT HAS BEEN REPLACED WITH NO IMPROVEMENT. THROTTLE STICKS ON ACCELERATION CAUSING ENGINE TO BOG DOWN AND ALMOST CHOKE OUT FOLLOWED BY SUDDEN BURST OF ACCELERATION THAT COULD LEAD TO ACCIDENT.”
Owner complaint to NHTSAFiled May 14, 2018Vehicle speed control, EngineODI 11093739
“WHILE DRIVING THE CAR ON THE HIGHWAY AT TYPICAL HIGHWAY SPEEDS (60MPH-70MPH) THE WRENCH INDICATOR LIGHT COMES ON IN THE DASHBOARD AND THE CAR LOOSES THE ABILITY TO ACCELERATE ANY FASTER THAN ABOUT 10 MILES AN HOUR. WE PULL OVER, TURN THE CAR OFF AND START IT BACK UP AGAIN AND IT APPEARS TO RUN FINE. THIS CAN HAPPEN RANDOMLY ONE DAY AND THEN NOT HAPPEN AGAIN FOR A FEW WEEKS OR EVEN A MONTH OR TWO THEN IT DOES IT AGAIN. BASED ON MY RESEARCH COMPARING OTHER DRIVERS POSTING ABOUT THE SAME PROBLEM I BELIEVE THIS PROBLEM IS DUE TO A DEFECTIVE THROTTLE BODY OR WHAT IS SOMETIMES CALLED THE ETB = ELECTRONIC THROTTLE BODY. THE PROBLEM IS THE RESULT OF THE COMPUTER AND SENSORS SENDING BAD SIGNALS TO THE THROTTLE BODY MECHANISM WHICH THEN AFFECTS THE AIR/GAS MIXTURE AND ADVERSELY AFFECTS ACCELERATION, THIS IS DANGEROUS AND A SAFETY ISSUE. THERE WAS A RECALL ON DEFECTIVE THROTTLE BODIES FOR FORD FUSIONS BUT IT ONLY INCLUDED 2009 MODELS AND LATER MODELS, BUT IT DID NOT INCLUDE 2006 MODELS. I HAVE READ OF OTHER PEOPLE IN EARLIER MODEL CARS FROM AS EARLY AS 2005 POSTING ON FORUMS THAT THEY HAD THE SAME ISSUE, SO I BELIEVE THIS WASN'T ONLY A PROBLEM ON 2009'S AND LATER. FORD…”
Owner complaint to NHTSAFiled Sep 12, 2017Vehicle speed control, Electronic stability control (esc), EngineODI 11022904
“TL* THE CONTACT OWNS A 2004 (NA) FORD FUSION. WHILE DRIVING THE VEHICLE, SMOKE APPEARED AND THE VEHICLE STALLED. THE VEHICLE CAUGHT FIRE WITHOUT WARNING. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. THE CONTACT PREVIOUSLY CALLED A LOCAL DEALER (CRAIN FORD OF LITTLE ROCK LOCATED AT 4601 COLONEL GLENN PLAZA DRIVE 72116 501-542-6041) STATED THAT THE PARTS FOR THE REPAIR WERE ON BACKORDER. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.”
Owner complaint to NHTSAFiled Aug 21, 2017EngineFire reportedODI 11018708

Showing 6 of 47 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 4, 2026NHTSA vehicle page

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