P2191 on KIA OPTIMA — System Too Lean at Higher Load Bank 1

Q: "What does P2191 mean on a KIA OPTIMA?"

"P2191 indicates: System Too Lean at Higher Load Bank 1. This is a powertrain code. 2 KIA OPTIMA owners have reported this to NHTSA."

Q: "What are the most common causes of P2191 on KIA OPTIMA?"

"Based on 2 NHTSA reports, the most commonly cited components are: Engine,Fuel/Propulsion System, Unknown Or Other,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P2191 serious on my KIA OPTIMA?"

"Of 2 NHTSA reports for this code on KIA OPTIMA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my KIA OPTIMA shows P2191?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P2191 Means on Your KIA OPTIMA

P2191 is a diagnostic trouble code indicating: System Too Lean at Higher Load Bank 1. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 KIA OPTIMA owners have reported this issue to NHTSA across model years 2013. Most reports come from the 2013 model year. The most commonly reported component is Engine,Fuel/Propulsion System (50.0% of reports).

Real KIA OPTIMA Owner Reports

Source: NHTSA Complaints Database

"On Sunday, September 21st, 2025, my 2013 Kia Optima EX suffered sudden catastrophic engine failure while driving on the highway. The check engine light was flashing, the car misfired badly, lost complete power, and became unsafe to operate. The vehicle was then towed to Wagner Kia of Shrewsbury, MA."

— 2013 KIA OPTIMA owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 09/21/2025

"I have been having repeated issues following the kia theta ii engine recall replacement (sc147) since june 2018. my car is practically new with 53k +/- miles, purchased new, and had all the recommended and required maintenance performed."

— 2013 KIA OPTIMA owner · UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM · Filed 06/09/2018

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'13

Common Causes on KIA OPTIMA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE,FUEL/PROPULSION SYSTEM 50%

UNKNOWN or OTHER,ENGINE,FUEL/PROPULSION SYSTEM 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P2191 mean on a KIA OPTIMA? ▾

P2191 indicates: System Too Lean at Higher Load Bank 1. This is a powertrain code. 2 KIA OPTIMA owners have reported this to NHTSA.

What are the most common causes of P2191 on KIA OPTIMA? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Engine,Fuel/Propulsion System, Unknown Or Other,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P2191 serious on my KIA OPTIMA? ▾

Of 2 NHTSA reports for this code on KIA OPTIMA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my KIA OPTIMA shows P2191? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P2191 on Other Vehicles

→ All codes reported on KIA OPTIMA