P0445 Code: EVAP System Purge Control Valve A Circuit Shorted
🟠 Moderate severity · drivable
Drivable, but if the purge valve is stuck open you may notice rough idle or a fuel smell.
What P0445 means
The purge valve circuit is drawing too much current, which means a short. The valve may be stuck open, letting fuel vapors into the engine constantly, which can cause rough idle and poor fuel economy.
Symptoms
- Check engine light is on
- Rough idle
- Fuel smell
- Reduced fuel economy
Common causes
- most common: Short in the purge valve wiring
- common: Faulty purge valve
- less common: Damaged PCM driver circuit
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Inspect the wiring for shorts and repair as needed | Yes | $20–100 |
| Replace the purge valve | Yes | $30–120 |
| Have the PCM checked if wiring and valve are fine | Mechanic | $100–200 |
Frequently asked questions
Can I drive with a P0445 code?
Yes, but if the purge valve is stuck open you may notice rough idle or a fuel smell. Get it fixed before it causes more problems.
What does P0445 mean?
The purge valve circuit has a short, drawing too much current. The valve may be stuck open, letting fuel vapors flow into the engine constantly.
How much does it cost to fix P0445?
$30–120 for a new purge valve, or $20–100 for wiring repairs plus labor.
Related codes
P0444
P0444 Code: EVAP System Purge Control Valve A Circuit Open
P0441P0441 Code: Evaporative Emission Control System Incorrect Purge Flow
P0447P0447 Code: EVAP System Vent Control Circuit Open
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.