The Lemon IndexThe purge valve circuit has an electrical fault.
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
Failed purge valve. Then: wiring fault.
Owners named P0443 in 17 complaints to the U.S. government, most often on the Ford Focus.
Cars owners report it on
Complaints that name P0443, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2013 Ford Focus · 2012 Ford Focus · 2017 Chevrolet Volt
The details
What P0443 means
The purge valve circuit has an electrical fault.
Can I drive with P0443?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
35% of the owner complaints that name P0443 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0443
- Failed purge valve
- Wiring fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 35% of complaints
- Loses power or goes into limp mode: 35% of complaints
- Warning lights and electrical faults: 18% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0443 most
2013 Ford Focus (2), 2012 Ford Focus (2), 2017 Chevrolet Volt (2).
Related codes
P0442 P0441 P0445 P0440 P0446 P0448 P0449 P043F
Quick answers
What does P0443 mean?
Evaporative Emission System Purge Control Valve Circuit. The purge valve circuit has an electrical fault.
Can I drive with P0443?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
What causes P0443?
Failed purge valve; Wiring fault.
Counts: NHTSA owner complaints whose text names P0443. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.