P0440 on the Redesigned 2024 Chevrolet Colorado
The 2024 Chevrolet Colorado features a complete redesign with the new 2.7L turbo-four engine. If your new Colorado has set a P0440 code, the trail leads to the EVAP system. On a new platform, the causes may include first-year production issues alongside traditional EVAP failures.
Symptoms
- Check engine light on
- Possible fuel smell
- Slight MPG reduction
- Fueling issues at the pump
- Emissions test failure
Your Colorado performs normally. Towing and off-road capability are unaffected.
Probable Causes
- Gas Cap or Filler — Always check first. Estimated repair: $0–$25 (warranty).
- Purge Valve Solenoid — The new 2.7L turbo may have early purge valve issues. Estimated repair: $0–$185 (warranty).
- Vent Valve Solenoid — A GM-wide known failure point. Estimated repair: $0–$210 (warranty).
- Assembly or Routing Issue — First-year production can produce loose connections. Estimated repair: $0 (warranty).
- Software Update — The new platform may need PCM calibration updates. Estimated repair: $0 (warranty).
Diagnostic Steps
- Check for GM TSBs for 2024 Colorado EVAP
- Verify gas cap seal
- Scan for all codes
- Test solenoids
- Smoke test if needed
Cost
$0 under warranty. Your 2024 Colorado is fully covered. Visit your Chevrolet dealer.
Concern Level
Very low. P0440 is a minor emissions code with no safety or performance implications.
Take It to the Dealer
Free warranty repair. Don't attempt DIY on a new truck under warranty.