Purge Valve Repair Cost Guide
Canister Purge Valve (EVAP Purge Valve)
The repair cost for a canister purge valve typically ranges from$175 to $250. This includes:
- Labor cost: 1-1.5 hours ($125-$187.50)
- Parts cost: $50-75 for the valve
Most vehicles allow relatively easy access to this component, keeping labor time minimal.
EGR Purge Valve
EGR purge valve replacement typically costs$250 to $375, breaking down as:
- Labor cost: 1.5-2 hours ($187.50-$250)
- Parts cost: $75-125 for the valve
The higher cost reflects the more complex location and additional steps required for replacement.
Secondary Air Injection Valve
This repair typically ranges from$300 to $500, including:
- Labor cost: 2-3 hours ($250-$375)
- Parts cost: $50-125 for the valve
The higher labor cost is due to the often difficult-to-access location of these valves.
Note: Prices may vary based on vehicle make, model, and year. Additional costs may apply if related components need replacement.
Purge Valve Repair Procedures by Type
Evaporative Emissions (EVAP) Purge Valve
Common Symptoms:Check Engine Light, rough idle, poor fuel economy, failed emissions test
Repair Steps:
- Locate the EVAP purge valve (typically near the intake manifold or throttle body)
- Disconnect the negative battery terminal
- Remove electrical connector from the purge valve
- Disconnect vacuum lines, noting their positions
- Remove mounting bolts/brackets holding the valve
- Install new purge valve in reverse order
- Reconnect battery and clear any diagnostic codes
- Test operation using diagnostic scanner
EGR Purge Valve
Common Symptoms:Poor acceleration, rough idle, increased emissions, knocking sounds
Repair Steps:
- Allow engine to cool completely
- Locate the EGR valve (usually on or near the intake manifold)
- Disconnect battery negative terminal
- Remove electrical connections
- Remove mounting bolts and vacuum lines
- Clean mounting surface thoroughly
- Install new gasket if required
- Install new EGR valve
- Reconnect all components in reverse order
- Clear diagnostic codes and test operation
Canister Purge Valve
Common Symptoms:Fuel odor, poor fuel economy, rough running, check engine light
Repair Steps:
- Locate the canister purge valve (usually near the charcoal canister)
- Disconnect battery negative terminal
- Remove electrical connector
- Label and disconnect vacuum lines
- Remove mounting hardware
- Install new valve ensuring proper orientation
- Reconnect vacuum lines in correct order
- Reconnect electrical connector
- Reconnect battery
- Perform system test to ensure proper operation
Important Notes:
- Always consult vehicle-specific repair manual for exact locations and procedures
- Use appropriate safety equipment including gloves and eye protection
- Ensure all connections are secure and properly seated
- Consider replacing related gaskets and seals during repair
Estimated repair time: 1-2 hours depending on vehicle make and model
Understanding Purge Valves: Types and Functions

Canister Purge Valve (CPV)
TheCanister Purge Valve, also known as the EVAP purge valve, is a crucial component of a vehicle's evaporative emission control (EVAP) system. Located between the fuel tank and the engine intake manifold, this valve controls the flow of fuel vapors from the charcoal canister to the engine.
When the engine is running at optimal temperature, the CPV opens to allow stored fuel vapors to be burned in the combustion process rather than being released into the atmosphere. This process helps:
- Reduce harmful emissions
- Improve fuel efficiency
- Meet environmental regulations
Air Purge Valve
AnAir Purge Valveis commonly found in industrial and processing systems. Its primary function is to remove unwanted air or gases from liquid-filled systems. These valves are essential in:
- Water treatment systems
- Industrial cooling systems
- Hydraulic systems
By removing trapped air, these valves prevent system inefficiencies, cavitation, and potential damage to equipment.
Steam Purge Valve
TheSteam Purge Valveis designed specifically for steam systems and plays a vital role in removing condensate and non-condensable gases. These valves:
- Improve steam system efficiency
- Prevent water hammer
- Reduce corrosion in steam lines
They are commonly used in industrial steam applications, heating systems, and steam sterilization equipment.
Automatic Purge Valve
AnAutomatic Purge Valveoperates without manual intervention, automatically removing unwanted substances from a system based on preset conditions. These valves are used in:
- Compressed air systems
- Industrial processing equipment
- HVAC systems
They help maintain system efficiency and reduce maintenance requirements by automatically removing condensate, debris, or other unwanted materials.
Hydraulic Purge Valve
TheHydraulic Purge Valveis specifically designed for hydraulic systems to remove air and contaminants from hydraulic fluid. These valves:
- Maintain hydraulic system efficiency
- Prevent system damage
- Ensure smooth operation
They are essential in maintaining the integrity and performance of hydraulic systems in various industrial and mobile applications.
Note: Regular maintenance and proper operation of purge valves are essential for optimal system performance and longevity.
Signs and Symptoms of a Failing Purge Valve (EVAP Solenoid)
Common Purge Valve Issues and Maintenance Guide
EVAP Purge Valve
Signs of Failure:
- Check Engine Light illumination (common codes: P0441, P0443, P0446)
- Rough idle or stalling
- Decreased fuel efficiency
- Failed emissions test
- Strong fuel smell from vehicle
Service Schedule:
No specific maintenance interval is typically recommended, but inspection should be performed if any symptoms occur. Most EVAP purge valves last 60,000 to 100,000 miles under normal conditions.
EGR Purge Valve
Signs of Failure:
- Engine pinging or knocking sounds
- Rough idle
- Failed emissions test
- Poor acceleration
- Check Engine Light (common codes: P0401, P0402)
Service Schedule:
Inspection recommended every 50,000 miles. Cleaning may be required if carbon buildup is present. Replacement typically needed between 80,000 to 120,000 miles depending on driving conditions.
PCV Valve
Signs of Failure:
- Oil leaks or excessive oil consumption
- Increased engine pressure
- Rough idle or misfires
- Whistling noise from engine
- Oil in air filter housing
Service Schedule:
Inspection recommended every 20,000 to 50,000 miles. Replacement typically needed between 60,000 to 100,000 miles. Some manufacturers specify shorter intervals in severe driving conditions.
Note: These are general guidelines. Always consult your vehicle's owner's manual for specific maintenance schedules and recommendations.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.