Evap codes

GMC
Avatar
KRAIG
  • MEMBER
  • 1 POST
I have been dealing with an EVAP Code (440) for the last 6 months or so. I have replaced the cat, convertor twice and each of the O2 sensors. I have replaced the gas cap as well. My dealer wants to install a dual cylinder convertor at about $600. I have never heard of such a thing and I dont want to put that kind of money into it and it not be the solution. A friend of mine suggested replacing the "purge valve" I have never heard of that either. Is this part expensive and do you have any thought on what my problem might be.
May 8, 2006 at 6:22 PM
Advertisement
Avatar
LOSONE
  • CERTIFIED EXPERT
  • 1,616 POSTS
For us to be able to assist you, it is absolutely necessary for you to include the make, model, year and mileage of your car.
May 8, 2006 at 6:23 PM