chip was set for e85, set parameter 13 to 128 and I started getting a/f correction at idle as well as the rest of the throttle positions. I only have about ten minutes now messing with the chip and am sure ill have more questions. Thank you for your fast response Eric and all you do for the buick community.
Copy, thank you. This thing is starting to kick my ass. Had it running pretty well two days ago then started it yesterday and cell 13 had changed back to 160 and the car now has a stumble that won’t go away. Hoping it’s just the plugs being fouled.
The SD2 relies on a good connection between the powerlogger and ECM. As the cars get older, sometimes it hard to maintain that good connection. Make sure the powerlogger is not loose and moving around, and the edge connector is clean.
Changed the plugs and went back to the base settings today other than cell 13 which I set to 128. 5 minutes of messing around and the car idles great. I was very excited to start tuning this setup but I think the car is flipping me off and I’ll be pulling the valve train here soon.