What Does P0174 Mean on Your 2023 Kia Telluride?
A P0174 code on your 2023 Kia Telluride indicates the ECM detected a lean air-fuel mixture on Bank 2. The 2023 Telluride continues with the 3.8-liter V6 engine producing 291 hp. Bank 2 is a distinct cylinder bank on this V6, making P0174 a targeted indicator of a bank-specific issue.
Your 2023 Telluride is under Kia's full factory warranty. Take it to the dealer for diagnosis and repair at no cost.
Common Symptoms You May Notice
- Check engine light on
- Rough idle
- Power loss
- Poor fuel economy
- Hesitation during acceleration
- Engine vibration
Most Likely Causes of P0174 on the 2023 Telluride
- Vacuum Leak on Bank 2 - Loose connections or cracked hoses on the Bank 2 side of the V6.
- Dirty MAF Sensor - Contamination causing lean fuel calculations.
- O2 Sensor Issue - Malfunctioning Bank 2 oxygen sensor.
- ECM Software Issue - Calibration refinements may be available.
How to Diagnose the Problem
- Scan codes - Confirm P0174 and check for companion codes.
- Check for TSBs - Ask the dealer about service bulletins.
- Monitor fuel trims - Confirm lean condition on Bank 2.
- Schedule dealer service - Recommended under warranty.
Repair Options and Cost Breakdown
- Warranty repair - $0.
- Vacuum hose repair - $10 to $40 out of warranty.
- MAF sensor replacement - $110 to $230, plus $50 to $100 labor.
- O2 sensor replacement - $110 to $260, plus $100 to $180 labor.
- ECM reflash - $0 under warranty.
Can You Fix This Yourself?
Let the Kia dealer handle this under warranty. The Telluride is a premium SUV and warranty coverage makes dealer service the best option. A visual check is fine, but leave repairs to the professionals.
Prevention Tips
- Use factory air filter
- Follow Kia maintenance schedule
- Use top-tier fuel
- Keep dealer service current
- Do not ignore check engine lights