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P0443

Evaporative Emission (EVAP) Purge Valve — Circuit Problem

Low — fix soonSafe to drive for now

Severity: Fix soon. Usually safe to drive for now.

What P0443 means

The computer found a fault in the circuit that controls the purge valve, so it cannot open or close the valve to let fuel vapors into the engine.

Common causes

How to fix it

Check the fuse and wiring, then test and replace the purge valve.

Can I drive with P0443?

Safe to drive. You may notice a slightly rough idle or a fuel smell.

Related codes

Questions, answered

Is it safe to drive with code P0443?

Generally safe to drive, but get it checked soon. Safe to drive. You may notice a slightly rough idle or a fuel smell.

What causes code P0443?

The most common causes are: Failed purge valve; Damaged wiring or connector; Blown fuse; Failing engine computer driver. A scan tool and a visual check of the parts above is where a technician starts.

How do I fix code P0443?

Check the fuse and wiring, then test and replace the purge valve.

Not repair advice. This page gives general information about code P0443 only. Cars differ by make, model and year — confirm the fault with a scan tool and have the repair done by a qualified technician.

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