THE LINCOLN DEALERSHIP BROKE 5 OF MY 8 SPARK PLUGS WHILE TRYING TO CHANGE THEM. I WAS TOLD THAT I HAVE TO PAY SINCE THIS HAS HAPPENED. THIS IS A KNOWN PROBLEM WITH FORD ENGINES. PLEASE REFERENCE THE FOLLOWING LINK. HTTP://WWW.FORDPROBLEMS.COM/SPARK-PLUG-EJECTED-FROM-ENGINE.SHTML. *TR
2006 Lincoln Navigator engine problems
severe 18 complaints filed with NHTSA · avg repair $3,100
Complaints
18
Recalls
0
Crashes
1
Avg fix
$3,100
What owners are reporting 6 most recent
2006 LINCOLN NAVIGATOR, WITH JUST OVER 100,000 MILES ON VEHICLE. VEHICLE SHUT DOWN IMMEDIATELY AFTER GIVING AN ENGINE FAILED SAFETY MODE ERROR ON DASH. FORTUNATELY MY WIFE WAS DRIVING IN THE NEIGHBORHOOD AND DOING 25 MPH. MUSCLED IT OVER TO THE SIDE OF THE ROAD AND RESTARTED THE VEHICLE. THIS IS ABOUT THE 4TH TIME THIS HAS HAPPENED IN THE 5 YEARS WE HAVE OWNED THE VEHICLE. THE OTHER TIMES THE VE…
TL*THE CONTACT OWNS A 2006 LINCOLN NAVIGATOR. WHILE DRIVING 50 MPH, THE VEHICLE CRASHED INTO THE REAR OF ANOTHER VEHICLE. THE AIR BAGS DEPLOYED AND FLAMES WERE NOTICED UNDER THE HOOD. THE VEHICLE EXPLODED FIVE TIMES. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND THE VEHICLE WAS TOWED. A POLICE REPORT WAS FILED. THE CAUSE OF THE FIRE WAS UNDETERMINED. THE DRIVER OF THE OTHER VEHICLE SUSTAINE…
2006 NAVIGATOR WOULD KEEP MISFIRING EVEN AFTER COILS WERE REPLACED. DEALER FIRST REPORTS IT WAS A VALVE. AFTER INSPECTION VALVE WAS NOT THE PROBLEM BUT A BURNT HEAD WAS THE CAUSE. HEAD WENT TO OUTSIDE SHOP FOR REPAIR BUT THE SHOP SAYS NOW THAT THE PROBLEM MIGHT BE LOWER IN THE ENGINE. A NEW ENGINE IS BEING SUGGESTED BY THE DEALER BUT THE WARRANTY COMPANY MAY NOT PAY. CAR HAS 44000 MILES CURRENTLY.…
2006 LINCOLN NAVIGATOR. FAIL SAFE MODE COMES ON WHILE DRIVING AND SHUTS VEHICLE DOWN. THIS HAS HAPPENED TWICE AND ALSO EXACT SAME INCIDENT TO FRIEND IN DIFFERENT STATE WITH SAME 2006 NAVIGATOR. DECIDED TO REPORT AFTER I CALLED LINCOLN AND THEY HAD RECORD OF MY CALL IN DECEMBER 2009 AND JANUARY 2010 BUT NO RECORD OF THE WORK PERFORMED TO CORRECT THE PROBLEM OR THE DANGEROUS INCIDENT. IT HAPPENE…
WAS DRIVING ON THE HIGHWAY AND THE VEHICLE WENT INTO ENGINE FAILSAFE MODE. WAS ABLE 2 PULL OVER AND TURN ENGINE OFF AND RESTART WITH NO PROB. THIS HAS HAPPENED AT LEAST 10 MORE TIMES SINCE ALWAYS ON ACCELERATION LUCKILY I WAS NOT IN ACCIDENTS. MOST OF THE SHUT OFFS HAVE BEEN IN HIGHWAY DRIVING CONDITIONS AT SPEEDS OVER 55 MPH. AFTER RESEARCH SEEMS THIS IS HARD 2 DIAGNOSE BUT FORD IS AWARE OF THIS…
Common questions
How serious is the engine problem on the 2006 Lincoln Navigator?
It's a meaningful issue. 18 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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