EVAP purge control valve circuit
What P0443 means
Your car's computer set P0443: EVAP purge control valve circuit. It belongs to the emission controls group of codes. It is a generic code, so it means the same thing on every make. The check engine light usually comes on once the fault has been seen on two drives in a row. Until then it shows up as a pending code.
Can I keep driving? Usually safe to drive. The car may run normally, but it will not pass an emissions test until this is fixed.
Common causes
- Stuck EVAP purge valve
- Wiring or connector problem
- Cracked purge hose
Fix the cheapest, most likely cause first. Clearing the code without a repair only turns the light off until the fault comes back.
Check it yourself
A purge valve stuck open can make the car hard to start right after refuelling.
Torque Deck reads P0443 with a cheap Bluetooth OBD2 adapter. It also shows the freeze frame (engine conditions at the moment the code set) and the live data you need to narrow it down.
Parts
Parts most often replaced for P0443: EVAP purge valve. Confirm the cause first, and match the part to your exact engine.
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Related codes
This page explains what the code usually means. It is not a diagnosis of your car. When in doubt, ask a mechanic.