P0172 on KIA SORENTO — System Too Rich Bank 1

Q: "What does P0172 mean on a KIA SORENTO?"

"P0172 indicates: System Too Rich Bank 1. This is a fuel and air metering code. 2 KIA SORENTO owners have reported this to NHTSA."

Q: "What are the most common causes of P0172 on KIA SORENTO?"

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

Q: "Is P0172 serious on my KIA SORENTO?"

"Of 2 NHTSA reports for this code on KIA SORENTO, 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 SORENTO shows P0172?"

"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 P0172 Means on Your KIA SORENTO

P0172 is a diagnostic trouble code indicating: System Too Rich Bank 1. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 KIA SORENTO owners have reported this issue to NHTSA across model years 2016-2017. Most reports come from the 2016, 2017 model years. The most commonly reported component is Engine,Fuel/Propulsion System (50.0% of reports).

Real KIA SORENTO Owner Reports

Source: NHTSA Complaints Database

"I brought my 2016 kia sorento in the dealer for check engine light (code p0172). after the evaluated it, they said the fuel pump and fuel lines need to be replaced because it's leaking fuel into the engine and the engine needs an oil change because the oil is diluted with fuel."

— 2016 KIA SORENTO owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 05/07/2020

"Check engine light came on. 65,000 miles with documented regular maintenance. Took to dealership where i purchased the vehicle new. Engine code (P0172). Was told gas was getting into the oil and i would need a new high pressure fuel pump. This is a common issue and should be repaired free of cost."

— 2017 KIA SORENTO owner · FUEL/PROPULSION SYSTEM · Filed 08/11/2023

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

📊 Complaint Trend by Model Year

1

'16

1

'17

Common Causes on KIA SORENTO

Based on NHTSA complaint component analysis for this vehicle.

ENGINE,FUEL/PROPULSION SYSTEM 50%

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 P0172 mean on a KIA SORENTO? ▾

P0172 indicates: System Too Rich Bank 1. This is a fuel and air metering code. 2 KIA SORENTO owners have reported this to NHTSA.

What are the most common causes of P0172 on KIA SORENTO? ▾

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

Is P0172 serious on my KIA SORENTO? ▾

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

What should I do if my KIA SORENTO shows P0172? ▾

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.