How do you clean the EGR valve on a 2002 Buick Lesabre?

Spray cleaner on the valve mount and clean the valve mount of any dirt and debris. For stubborn carbon buildup, allow the carburetor cleaner to sit for a few seconds before wiping it away. Reinstall the newly cleaned EGR valve onto the valve mount. Replace each bolt and tighten with the socket wrench. via

What is best to clean EGR valve?

How to Clean EGR Valve?

  • Spray cleaner in both openings of the EGR valve.
  • If it's really dirty, you may need to use a pick to scrape off the bigger chunks of carbon or a wire brush.
  • You may also need to let the cleaner sit in the valve for several hours.
  • Don't be afraid to use too much cleaner.
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