What usually causes it
- A purge valve stuck open or closed
- A cracked or loose vacuum hose to the valve
- A damaged plug or wire
- A clogged air line or charcoal canister, the box that stores the fumes
The purge valve lets stored fuel fumes flow into the engine to be burned. The computer sees too much or too little flow.
Look at the small hoses near the purge valve for cracks and loose ends.
We rate P0441 as OK to drive, fix when convenient, as a starting point. Keep an eye on the signs below. If the light starts flashing, stop driving soon.
Fuel vapor system purge flow is wrong. The purge valve lets stored fuel fumes flow into the engine to be burned. The computer sees too much or too little flow.
We rate P0441 as OK to drive, fix when convenient, as a starting point. Keep an eye on the signs below. If the light starts flashing, stop driving soon.
The most common causes, in order: A purge valve stuck open or closed; A cracked or loose vacuum hose to the valve; A damaged plug or wire; A clogged air line or charcoal canister, the box that stores the fumes.
Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.