There are 1 owner-reported fuel system complaints for the 2002 Lincoln Navigatorin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WHILE TRAVELING ON HIGHWAY THERE IS A LOUD KNOCKING NOISE COMING FROM UNDERNEATH THE VEHICLE, DEALERSHIP IS AWARE OF PROBLEM, DEALER CHECK VEHICLE CODES AND FOUND THAT LOW OCTANE FUEL WAS CAUSING THE NOISE WHILE DRIVING, BOTH PASSENGER DOOR SEALS LOOSE.*AK *NLM
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