2012 Kia Optima Engine Problems
From NHTSA owner complaints and recalls. Updated Oct 17, 2026.
How common are engine problems on the 2012 Kia Optima?
416 owners have reported engine problems on the 2012 Kia Optima, 45% of all complaints for this year and the most reported problem area. Most reported problems happened at about 75,000–127,000 miles. 2 recalls cover this area.
416 complaints 45% of all 2012 complaints 102,000 miles typical
Which parts fail
The specific part named in each complaint.
Mileage when it failed
Each dot is a complaint that gave a mileage (297 of 416). The amber line is the middle value.
When problems were reported
Engine complaints by the year the problem happened.
Engine complaints by Optima year
Related recalls
Fuel pipe may leak, causing fire risk
Fire riskDuring an engine replacement, the high pressure fuel pipe at the fuel pump may have been damaged, misaligned, or under-tightened. This can cause a fuel leak, and fuel near an ignition source can start a fire.
Fix: The dealer will inspect the fuel pipe and replace it if needed, at no cost to you.
Recall 18V907000 · Dec 2018Engine
Machining errors during the engine manufacturing process may cause premature bearing wear within the engine. Bearing wear may result in the engine seizing, increasing the risk of a crash.
Fix: Kia will notify owners, and dealers will inspect the engine assembly, and replace the engine if necessary, free of charge.
Recall 17V224000 · Mar 2017Get an email when your 2012 Kia Optima gets a new recall
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Other 2012 Kia Optima problems
Common questions
What are common 2012 Kia Optima engine problems?
Complaints most often name the turbo / supercharger and cooling system.
At what mileage do 2012 Kia Optima engine problems happen?
Most complaints that gave a mileage fell between about 75,000–127,000 miles. The middle value is about 102,000 miles.
Is there a recall for 2012 Kia Optima engine problems?
Yes: 18V907000, 17V224000. Check your VIN at nhtsa.gov/recalls to see if the work was done.
Which Optima year has the most engine complaints?
The 2013 Optima, with 651 complaints.
Source: NHTSA complaints and recalls databases. Complaints are unverified owner reports.