98 Honda Passport showing a PO401 code, EGR flow insificiant. What the best way to clean the tube and the electronic EGR Valve? How do you test the electronic EGR Valve to see if it's working correc

Asked by May 22, 2012 at 01:31 PM about the 1998 Honda Passport 4 Dr LX SUV

Question type: Maintenance & Repair

1 Answer

1,655

take out the EGR valve and use a degrease on it and clean it for testing just check which r its motor pins ( +ive ,-ive) and provide them with 12 volt (the egr i know uses 12 volts not sure about this one) by a wire and see how much does it opening of if it is getting stuck for the pipe use a bit diesel on a brush and rub it hope this helps

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