There are 5 owner-reported electrical system complaints for the 2004 Lincoln Aviatorin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY SUV MISFIRES, SLIPS IN AND OUT OF GEARS, STALLS AT STOP SIGNS AND LIGHTS, ACCELERATES AT STOP LIGHTS. OCCASIONALLY WHEN THE AC IS TURNED ON, THERE IS A VERY LOUD CLUNK SOUND.
BATTERY KEEPS GETTING DRAINED, I HAVE HAVE HAD SIX NEW BATTERY'S WITHIN TWO YEARS. ALTERNATOR HAS BEEN REPLACED.
EARLY THIS MORNING WAS DRIVING ON THE FREEWAY IN OUR 2004 LINCOLN AVIATOR. THERE WAS A MODERATE RAIN FALL AND ZERO NATURAL LIGHT WAS AVAILABLE. WITHOUT WARNING, THE ELECTRICAL SYSTEM, INCLUDING THE HEADLIGHTS, IN THE VEHICLE SHUT OFF. I WAS TRAVELING AT APPROX. 70 MPH AND WAS CARRYING A TOTAL OF SEVEN PEOPLE. UNABLE TO SEE, I DROVE OFF THE ROAD AND WAS HORRIFIED TO DISCOVER THAT I ALMOST RAN INTO THE GUARD RAIL. WHILE THIS SITUATION DID NOT RESULT IN ANY DAMAGE OR FATALITIES, THIS COULD HAVE EASILY BEEN A DISASTER RESULTING IN MULTIPLE DEATHS. I SPOKE TO THE LOCAL LINCOLN DEALERSHIP WHO TO MY SURPRISE, INDICATED THAT HE WAS AWARE OF SIMILAR BEHAVIOR ON A SIMILAR FORD VEHICLE. APPARENTLY, A LEAK IN THE WINDSHIELD SEAL CAN DIRECT WATER INTO THE ENGINE COMPARTMENT AND INTO THE PRIMARY ELECTRONIC CONTROL COMPUTER. I AM TAKING THE VEHICLE TO THE DEALERSHIP FOR FURTHER INVESTIGATION, HOWEVER, THIS PROBLEM IS INTERMITTENT AND WILL THEREFORE BE VERY DIFFICULT TO DIAGNOSE. THIS PROBLEM OCCURRED ANOTHER TIME A FEW MONTHS BACK, BUT THE ELECTRICAL SYSTEM CAME RIGHT BACK ON SO WE DID NOT ATTEMPT TO DIAGNOSE THE PROBLEM. I AM PARTICULARLY CONCERNED ABOUT THIS PROBLEM BECAUSE IT COULD HAVE BEEN THE CAUSE OF MULTIPLE FATALITIES AND THE CAUSE COULD HAVE EASILY BEEN ATTRIBUTED TO MY FALLING ASLEEP AT THE WHEEL. PLEASE DO SOMETHING ABOUT THIS IMPORTANT PROBLEM. THANK YOU. *TR
TL* THE CONTACT OWNS A 2004 LINCOLN AVIATOR. WHILE DRIVING AT APPROXIMATELY 55 MPH, THE CHECK ENGINE LIGHT ILLUMINATED ON THE DASHBOARD. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THE IGNITION COIL NEEDED TO BE REPLACED. THE IGNITION COIL WAS REPLACED. APPROXIMATELY 4 MONTHS LATER THE FAILURE RECURRED. THE VEHICLE WAS AGAIN TAKEN TO AN AUTHORIZED DEALER WHERE THE IGNITION COIL WAS REPLACED. THE FAILURE CONTINUED TO RECUR ON SEVERAL OTHER IGNITION COILS, AND THE CONTACT REPLACED THEM HIMSELF. THE CONTACT STATED THAT THE FAILURE CONTINUES TO RECUR. THE FAILURE MILEAGE WAS 21,000 AND THE CURRENT MILEAGE WAS 144,000.
I PURCHASED BRAND NEW CAR WORTH $60,000 AND FROM DAY 1 THE FIRST TIME I PUT THE KEY IT SHOWED AN ERROR ON THE DASHBOARD. I BEEN TO SERVICE CENTER 5 TIMES, AND AS OF TODAY 04/20/05 THE CARE IS WITH THE DEALER FOR THE SAME PROBLEM. I BEEN CALLING FORD MOTORS FOR THE SAME PROBLEM, BUT HAVE NOT RECEIVED ANY CALLS FROM FORD MOTORS. I AM PAYING $905 + INSURANCE FOR THE CAR WHICH IS 6 MONTHS OLD AND SITTING IN THE REPAIR SHOP. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026