garajizOBD-II code · generic
P0440
Evaporative Emission System
- System
- P0 — Powertrain (generic)
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does P0440 mean?
P0440 is defined as “Evaporative Emission System”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: Evaporative Emission Control System Malfunction
Related codes
- P043FEVAP System Leak Detection Reference Orifice High Flow
- P0441Evaporative Emission System Incorrect Purge Flow
- P043EEVAP System Leak Detection Reference Orifice Low Flow
- P0442Evaporative Emission System Leak Detected (small leak)
- P0443Evaporative Emission System Purge Control Valve Circuit
- P0444Evaporative Emission System Purge Control Valve Circuit Open
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.