FTC Reader Disclosure: When you purchase or register through links on our site, we may earn an affiliate commission at no extra cost to you. Read our Editorial & Advertising Policy.
P0172KiaKia Telluride HubAll Kia P0172Medium Severity

P0172 on Kia Telluride: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0172 (System Too Rich (Bank 1) - Symptoms, Causes & Step-by-Step Fix) specifically on the Kia Telluride (2020–2026, 3.8L Lambda II V6 (291HP / 262 lb-ft torque)).

Kia Telluride
DIY Parts Estimate
$30 - $280 (DIY Clean: $15)
Telluride OEM Fitment
Shop Labor Quote
$180 – $380
Based on $105/hr labor
Drivability Status
Drivable (Short Trip)
Medium urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0172 On Another Kia Model:
Kia TellurideKia Sportage

1. Symptoms of P0172 on Kia Telluride

When the Engine Control Module (ECM/PCM) on your Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque)) logs fault code P0172, drivers commonly observe:

Check Engine Light on on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Strong unburnt fuel odor from exhaust on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Black carbon soot around exhaust tip on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Rough idle and engine bogging under throttle on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Noticeable drop in MPG on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Kia Telluride OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dashboard near fuse box panel. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Kia Telluride

Historical warranty claims and technical repair bulletins for Kia Telluride point to the following failure distribution:

55%
Faulty or leaking fuel injector (Kia OEM Part)
25%
Contaminated Mass Air Flow (MAF) sensor (Kia OEM Part)
12%
Stuck closed EVAP canister purge valve (Kia OEM Part)
8%
Excessive fuel pressure regulator failure (Kia OEM Part)

3. Step-by-Step DIY Repair Guide for Kia Telluride

01
Clean MAF Sensor and Throttle Body

Use dedicated MAF cleaner to remove carbon buildup from sensor wires. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).

02
Check Short Term & Long Term Fuel Trims

Use live OBD-II scanner data; negative trims beyond -10% indicate the ECU is cutting fuel. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).

03
Inspect Fuel Injector Leak-Down

Perform a fuel pressure leak-down test to identify injectors leaking raw gasoline into cylinders while parked. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).

Other Common Fault Codes on Kia Telluride

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Kia Telluride:

4. Kia Telluride P0172 FAQs

What causes code P0172 to trigger on a Kia Telluride?

On the Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque)), P0172 is most frequently caused by Faulty or leaking fuel injector or Contaminated Mass Air Flow (MAF) sensor.

Where is the OBD-II port located on my Kia Telluride?

On the Kia Telluride, the 16-pin DLC diagnostic connector is located Under driver side dashboard near fuse box panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Kia Telluride with code P0172?

Driveable short distances, but unburnt fuel can damage catalytic converters. Given that P0172 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.