2020 Volvo P0440: What It Means & Is It Safe to Drive?
P0440 on the 2020 Volvo: Evaporative Emission System Control System Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
A general fault in the EVAP system—could be a leak, stuck valve, or sensor issue.
Common causes on the 2020 Volvo
- Gas cap loose or faulty
- Purge or vent valve stuck
- Charcoal canister or hose leak
Symptoms
- Check Engine Light
Typical fixes
- Replace gas cap
- Test purge/vent valves
- Smoke test EVAP system
Repair cost range
For a 2020 Volvo, repairs for P0440 typically fall between $20 and $400, depending on the root cause and labor rates in your area.
Known issues on Volvo
Volvo P0440 EVAP large leak is typically a gas cap seal or a cracked EVAP canister hose. On XC90, the charcoal canister is under the vehicle near the rear axle and can crack from debris. Replace the gas cap first, then smoke test the canister hose routing.
Most commonly affected models
XC90 2003–2014S60 2001–2009V70 2001–2007