Help..In Need of a OPD reader for Cummings Diesel

Another suggestion is find one the bus companies and ask where they get their service. There are LOT of Cummins ISB engines in Mexico. Someone should be able to take care of that. It may take a service call from PV or Guadalaraja. Which will probably have to be prepaid through a bank. Don't ask how we know that. Unless you must. (Scroll down to "The Blog Fodder Run)