I've been dealing with some tuning issues since switching over to the Holley Terminator X TBI.
The 1st issue I discovered was the learn table was not being populated if that's the proper terminology. While the data log shows it's in learn mode, it comes up all 0's in the table. I'm still trying to figure it out & it makes it hard to make changes to the base fuel map without it.
The second & last issue, I think I fixed it today. While I was seeing some weird things going on in the data log with close loop compensation. I finally tracked it down to faulty Manifold Air Temp Sensor. It would work at idle, driving around in the pits & in the shutdown after the run. It would also work for about 1 second into the pass. Then it would drop into some very cold temps & started getting low/high error messages. I pulled the connector off the sensor & immediately saw the issue. The 2 male pins were barely protruding & might have been rubbing on the female connection.
I'm pretty sure I have the MAT sensor fixed. We'll see if the learn table starts populating; I made changes in the Learn Compensation Limits Table.
1700/STY/781L
