Evo X upgrades

[mdost03]

Originally Posted by mlomker

Shane theorized that my oil burning was fouling out the front o2 and causing my problem at cruise. He created a ROM for me that runs in open loop as a test. I went for a short drive and the car ran absolutely awesome. I'll see how it does on tomorrow's commute.

Awesome, glad you are getting somewhere finally.

I think 311evo's car had some o2 sensor problems as well and Shane made a tune similar to your's that only ran it in Open Loop and it ran perfectly afterwards and even got better mileage than he was getting when he used the o2 sensors.