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How to Clean a Jaguar EGR Valve

Updated March 23, 2017

The EGR valve on a Jaguar recirculates the exhaust gases from the manifold back into the engine for a better burning of the spent fuel. When this valve is dirty, you may notice an extremely rough idle below 800 RPM. You can clean the valve once you remove it, rather than replacing it, which is much more expensive. Once the valve is cleaned of all carbon deposits, it should work like new.

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  1. Fill the EGR valve opening with carbon cleaner. Fill up the valve until the cleaner comes out of the top of the valve opening.

  2. Let the valve soak in carbon cleaner for at least eight hours. This will loosen the carbon built up on the inside of the valve.

  3. Dump the carbon cleaner out into a container approved for solvents.

  4. Finish cleaning the rest of the carbon out of the valve with a wire brush. Most of the carbon should come off rather easily at this point

  5. Wipe the valve with a shop rag and allow the inside of the valve to air dry.

  6. Tip

    For specific information about your Jaguar's EGR valve, consult the particular vehicle's manual (see Resources).

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Things You'll Need

  • Carbon cleaner
  • Wire brush
  • Shop rags
  • Storage container

About the Author

I am a Registered Financial Consultant with 6 years experience in the financial services industry. I am trained in the financial planning process, with an emphasis in life insurance and annuity contracts. I have written for Demand Studios since 2009.

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