There are 1 owner-reported engine complaints for the 2012 Lincoln MKZin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WHILE DRIVING YELLOW WRENCH SHOWS UP AND SAYS STOP SAFELY. I TOOK THE CAR TO DEALER. THEY CHARGED ME 180USD TO DIAGNOSE THE PROBLEM. I PAID 180USD AND AFTER 6 HOURS THEY CONTACTED AND ASKED FOR 300USD EXTRA TO DIAGNOSE THE PROBLEM. THEY COULDNOT EVEN FIND THE PROBLEM. I SEARCHED THIS PROBLEM ON CARCOMLAINTS.COM. ALMOST EVERYBODY EXPERIENCED THE SAME PROBLEM. IT IS VERY VERY DANGEROUS. IN THE MIDDLE OF THE HIGHWAY SPEED SUDDENLY DROPS FROM 65 TO 25 IN SECONDS. THIS IS NOT A GOOD WARNING TO PULL OVER. EXTREMELY DANGEROUS.
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 26, 2026