P0401 EGR Valve Port Cleaning

P0401 EGR Valve Port Cleaning
  mrgeecue
890   2.12M  

This is my DIY for clearing the CEL code P0401 (EGR Insufficient Flow) on a 98 Honda Prelude. In cars with OBD2 if the EGR valve is restricted by carbon deposits it will detect that and throw a CEL. To get rid of that CEL you must clean out the carbon


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