Verifiable Consumer Access and Deletion Request Form

Labor costs are estimated between $1,244 and $1,826 while parts are priced between $141 and $165.
This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
For a more accurate estimate based on your location, use our Fair Price Estimator below.

Purge Valve Replacement

What is a canister purge valve?

The purge valve allows stored fuel vapors in the charcoal containment canister to be sent back into the engine to be burned when necessary.

How does the purge valve work?

The purge valve is located in the vacuum line between the fuel vapor containment canister and the intake manifold. It opens at specific times to let fuel vapors stored in the canister be drawn into the intake manifold and burned as part of the combustion process. On most vehicles, the canister purge valve is computer-controlled.

The most common symptom of a defective canister purge valve is an illuminated Check Engine Light triggered by one or more evaporative system codes. Usually, there are no noticeable engine performance symptoms associated with a defective canister purge valve.

Need a repair? Trust our RepairPal Certified network.

With thousands of repair shops to choose from, how do you find one that is honest and fair? We've done the research for you.

Mazda Purge Valve Replacement Cost Estimates

The average cost for a Purge Valve Replacement is between $1,385 and $1,991 but can vary from car to car.

More RepairPal Resources

Purge Valve Replacement

Jump to:Commonly associated repairs Cost estimates by vehicle

What is a canister purge valve?

The purge valve allows stored fuel vapors in the charcoal containment canister to be sent back into the engine to be burned when necessary.

How does the purge valve work?

The most common symptom of a defective purge valve is an illuminated check engine light. Usually, there are no noticeable engine performance symptoms associated with a defective canister purge valve. However, in some cases, black smoke may be seen coming from the exhaust.

Can I drive with a canister purge valve problem?

You should be able to drive a vehicle with a faulty canister purge valve. But a faulty valve can allow raw fuel to enter the intake system cause the engine to run “rich” — this will result in black smoke coming from the exhaust. If you see this, the vehicle should not be driven because the catalytic convertor could get damaged.

How are purge valve issues diagnosed?

A faulty canister purge valve is usually diagnosed from a fault code stored when the check engine light turns on. The valve will be checked to make sure it's able to open and close correctly. If it's working, the part that controls the valve will also be checked.

How is a canister purge valve replaced?

The valve's location depends on the make and model of the car. Any items blocking access to it will need to be removed. The valve is then disconnected from its mount, hoses disconnected, and the new valve is installed. Any hoses or other related parts should be inspected and replaced or repaired as necessary.