2012 Kia Optima Kia Optima 2012

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2012 Kia Optima repairs by problem area

Engine (19%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (7%)

Suspension and Steering (11%)

Electrical and Air Conditioning (30%)

Paint, Rust, Leaks, Rattles, and Trim (22%)

Other (3%)

Chart based on 129 repairs.
See TSBs and recalls for the 2012 Kia Optima.

2012 Kia Optima engine repair cost distribution

$2500+ (5%)

$1000 - $2499 (5%)

$500 - $999 (0%)

$100 - $499 (5%)

< $100 (86%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 22 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2012 Kia Optima

Engine not specified

35000 mi Engine replaced 

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2012 Kia Optima 4dr Sedan

turbocharged 274hp 2.0L I4 6-speed shiftable automatic FWD

50000 mi Common wastegate issue on the forums. Adjusted wastegate actuator rod to match spec. No problems since. 
81800 mi

US $1081
Missing under acceleration. Bad high pressure fuel pump. 
91000 mi

US $150
Going into limp mode under hard acceleration. Bad EWGA( Electronic Waste Gate Actuator). Replaced. 
67400 mi Waste gate readjusted again. Has been done every oil change and other services. Never stays adjusted. 
14880 mi Engine started missing at low RPM & low speed, & at highway speed. Took to dealer, determined two spark plugs had "melted themselves" - all 4 replaced. Read forums - a manufacturing fault from spark plug maker. Covered under warranty. Engine started missing at low RPM & low speed, & at highway speed. Took to dealer, determined two spark plugs had "melted themselves". Read forums - a manufacturing fault from spark plug maker. Covered under warranty. 
60000 mi Recall on the engine. Small part replaced. 
18000 mi Turbo would not engage when temp was below 50F. Had to turn car off and on again to engage. 
37200 mi Independent mechanic noted oil dripping around oil pan and undercarriage during oil change. Dealer said they did not notice oil leaking, but replaced oil pan gasket under warranty. 
15000 mi Car was driving sluggishly. 
15300 mi Car was sluggish. There was some kind of adjustment needed to the waste gate for the turbo. Apparently it is a known issue as it is all over the forums and the service guy knew what the fix was before they got into the car. 
3000 mi Turbocharger waste gate actuator adjustment. No parts were replaced, only adjusted back to proper specs. The car was about a month old or so when the TSB was caught by the service tech. 
22000 mi oil pan leak 

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2012 Kia Optima 4dr Sedan

200-horsepower 2.4L I4 6-speed shiftable automatic FWD

136000 mi

US $3000
Engine timing gasket had a leak, timing belt was also replaced,  
98000 mi

US $25
Car is using oil about 2qts between 5kmi oil changes. Dealer is performing oil consumption test. 
45000 mi Coolant leaking. Dealer could not replicate. 
36700 mi Radiator developed hairline crack and was replaced. 
49200 mi

US $19
Gas filler cap stopped making clicking sound. Dealer would not cover under warranty claiming wear and tear caused the issue. I purchased and installed a new gas filler gap. 
87500 mi I noticed the coolant level in the overflow reservoir was low but I was unable to determine the source. I took car to a mechanic who determined that the water pump is leaking through the weeping hole, provided a quote to replace water pump Took vehicle to dealer to look into leaking water pump, since water pump is under warranty until 100k. Dealer could not duplicate the issue. 
47120 mi High pressure fuel pump controller failed. Car went into limp mode when automatic transmission was in drive. Manual transmission mode worked. Part was back-ordered, but dealer provided a loaner SUV for the week. 
24180 mi Check engine on; error code read: P0087- fuel rail pressure too low; high pressure fuel pump was defective and was replaced.The car now runs alright again. The repair was effective and efficient. 
24000 mi There was a small leak around the oil pan. Fixed under warranty 

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2012 Kia Optima 4dr Sedan

166-horsepower 2.4L I4 Hybrid 6-speed shiftable automatic FWD

Engine check light was on because a contact was loose for the hybrid system. It worked ok, but needed to be found and corrected. 

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2012 Kia Optima Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2012 Kia Optima problems occur, check out our car reliability stats.