- Mon Aug 05, 2019 3:37 am
Hey guys. I'm new to this forum but not new to Hondas. I have a 1995 civic VX hatchback EG3. I have the D15Z1 VTECH-E motor. I have 190,000 on it but max I can get is 45mpg. I'm in California & wanted to swap to a Federal ECU to gain more mpg. I got a 37820-PO7-A00 ECU & installed it in place of my stock 37820-P07-L02 ECU. Will this work? Do I need a different ECU? Do I need to change out the O2 sensor/add/remove a wire? Check engine light came on automatically once I installed the A00 which was expected. Trying to get some more MPG out of this one for a while before I complete gut her & drop in a bigger motor. Looking for a VTECH-E/ VX guru here because I cant seem to find any info on how to do this conversion properly. Thanks everyone!