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How much is a EGR valve for a Honda?

The cost of replacing an EGR (Exhaust Gas Recirculation) valve on a Honda can vary depending on the specific model and year of the vehicle, as well as the location and labor costs. On average, you can expect to pay between $200 to $400 for the replacement of a Honda EGR valve, including parts and labor.


What is an EGR Valve?


The EGR valve is an important component in the emissions control system of a Honda vehicle. It is responsible for recirculating a portion of the exhaust gases back into the engine's intake system, which helps to reduce the formation of harmful nitrogen oxides (NOx) in the combustion process. Over time, the EGR valve can become stuck, clogged, or otherwise fail, requiring replacement to maintain proper engine operation and emissions compliance.


Factors Affecting EGR Valve Replacement Cost


The cost of replacing a Honda EGR valve can be influenced by several factors, including:



  • Vehicle Model and Year: The specific make, model, and year of the Honda vehicle will determine the exact part required and the labor time needed for the replacement.

  • Parts Cost: The cost of the replacement EGR valve itself can vary, with OEM (original equipment manufacturer) parts typically being more expensive than aftermarket options.

  • Labor Costs: The labor cost for the replacement will depend on the hourly rate charged by the repair shop or mechanic, as well as the complexity of the job.

  • Location: Repair costs can also vary based on the geographic region, with labor and parts prices often being higher in urban areas compared to rural locations.


It's important to note that the cost of the EGR valve replacement may also include additional expenses, such as the disposal of the old part, any necessary diagnostic testing, or the replacement of related components that may be affected by the EGR valve failure.


Symptoms of a Failing EGR Valve


Some common signs that the EGR valve in a Honda may be failing and in need of replacement include:



  • Rough Idling: A stuck or clogged EGR valve can cause the engine to idle roughly or unevenly.

  • Decreased Fuel Efficiency: A malfunctioning EGR valve can lead to reduced fuel economy.

  • Increased Emissions: A faulty EGR valve can result in higher levels of harmful emissions, which may trigger a check engine light.

  • Engine Stalling or Hesitation: In some cases, a failing EGR valve can cause the engine to stall or hesitate during acceleration.


If you notice any of these symptoms in your Honda, it's important to have the vehicle inspected by a qualified mechanic to determine the root cause and the appropriate repair solution.

How much does it cost to replace the EGR valve on a Honda?


The average cost for a Honda Civic EGR Valve Replacement is between $346 and $453.



Is it worth replacing an EGR valve?


A faulty EGR valve can affect engine performance, causing reduced power, slower acceleration, poor fuel economy, and higher emissions. This often happens when the valve gets stuck open or closed due to a build-up of carbon, soot, or dirt.



Can I drive with a bad EGR valve?


You can likely drive a short distance with a bad EGR valve, but it's not recommended for longer trips, as it can lead to more serious engine damage over time. Driving with a faulty valve can increase harmful emissions, cause poor engine performance like rough idling and poor acceleration, and potentially lead to expensive repairs for components like the catalytic converter and spark plugs. 
Risks of driving with a bad EGR valve

  • Increased emissions: The EGR valve's purpose is to reduce harmful pollutants like nitrogen oxides (NOxcap N cap O sub x𝑁𝑂𝑥). A malfunctioning valve will increase these emissions, and your vehicle will likely fail an emissions test. 
  • Engine performance issues: You may notice a rough or unstable idle, poor acceleration, and decreased fuel efficiency. 
  • Engine damage: Extended driving can cause excessive heat buildup and carbon deposits, leading to accelerated wear on parts like spark plugs and the catalytic converter. In severe cases, it could crack the cylinder head. 
  • Stalling: In some cases, a malfunctioning valve can cause the engine to stall. 

What to do
  • Limit your driving: Only drive short distances to a mechanic or to pick up parts. 
  • Address it promptly: Get the valve inspected and replaced or cleaned as soon as possible to avoid long-term damage and ensure your vehicle runs efficiently. 



What are the symptoms of a bad EGR valve on a Honda?


Symptoms of a bad Honda EGR valve include a check engine light, rough idling, and engine hesitation. You may also experience poor fuel economy, a lack of engine power, and a failed emissions test. Other signs can include engine knocking or pinging sounds, and stalling. 
Common symptoms

  • Check Engine Light: The engine control module (ECM) can detect issues with the EGR valve and trigger the check engine light. Specific trouble codes may be stored, such as those in the P0400-P0405 range. 
  • Rough Idle: A malfunctioning EGR valve can cause the engine to idle unevenly or roughly, sometimes stalling, especially if stuck open. 
  • Engine Hesitation and Poor Performance: When the valve is stuck open, it allows too much exhaust gas into the engine, starving it of fresh air and causing hesitation or sluggish acceleration. 
  • Decreased Fuel Efficiency: A faulty EGR valve can negatively impact your car's fuel economy. 
  • Engine Knocking or Pinging: A stuck closed EGR valve can increase combustion temperatures, leading to a knocking or pinging sound. 
  • Failed Emissions Test: The improper recirculation of exhaust gases can cause the vehicle to fail an emissions test. 

What causes the problem
  • Carbon buildup is a frequent cause of EGR valve failure, as it can cause the valve to stick in either the open or closed position. 

What you can do
  • Have the trouble codes read with an OBD-II scanner to get specific diagnostic information. 
  • Clean the EGR valve to remove carbon deposits, which can often resolve the issue. 
  • If cleaning doesn't work, the valve may need to be replaced. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.