Tracking Down P0440 on Your 2024 Kia Telluride
Your 2024 Kia Telluride has flagged a P0440 code, pointing to an EVAP system malfunction. The 2024 Telluride continues on the BY platform with the 3.8L Lambda II V6 (291 hp) and 8-speed automatic, now available with updated tech features. As a brand-new vehicle fully under warranty, P0440 should be a straightforward fix. Let's examine the evidence.
Symptoms to Watch For
- Check engine light illuminated
- Faint gasoline odor
- Slight fuel economy decrease
- Fuel nozzle shutting off early at the pump
- Failed emissions inspection
Your Telluride drives perfectly normally. The V6, 8-speed automatic, and optional AWD continue to function without issue.
Top Suspects: Ranked by Likelihood
- Gas Cap Not Fully Seated — The simplest and most common cause. Estimated repair: $0–$25.
- Purge Control Solenoid Valve (PCSV) Defect — A manufacturing defect or premature failure in the vapor management system. Estimated repair: $85–$220 (warranty-covered).
- Canister Close Valve (CCV) Issue — Early failure or electrical connector problem. Estimated repair: $95–$245 (warranty-covered).
- Loose Factory EVAP Fitting — An assembly-line connection that wasn't fully secured. Estimated repair: $0–$95 (warranty).
- Fuel Tank Pressure Sensor — Sensor providing inaccurate data. Estimated repair: $100–$260 (warranty).
Diagnostic Steps
- Check gas cap — remove, inspect, reinstall with a firm click
- Clear code, drive 50+ miles, see if it returns
- Schedule dealer appointment — this is a warranty repair
- Dealer will perform full EVAP system diagnostics
- Check for any recalls or TSBs on the 2024 model
Repair Cost Breakdown
- Gas cap: $0–$25
- PCSV: $85–$220 (warranty)
- CCV: $95–$245 (warranty)
- EVAP fitting: $0–$95 (warranty)
- FTP sensor: $100–$260 (warranty)
Warranty: Your 2024 Telluride is fully covered by Kia's 5-year/60,000-mile basic warranty. All EVAP repairs are free at the dealer.
Can I Drive With P0440?
Yes. P0440 is emissions-only with no effect on performance or safety.
DIY or Dealer?
Dealer — your 2024 Telluride is under full warranty. There is no benefit to attempting DIY repairs when the dealer will fix it for free.