http://www.gearhead-efi.com/Fuel-Injection/showthread.php?612-OD-Lean-Cruise

Check out post 14. It seems the pcm has similar functionality built in. I have not played with this yet. Good luck.

Make sure your stoichiometric afr is set correctly for your fuel. Any change here will affect your ve tables. Your computer will calculate fueling using this value and your ve tables, then make...

Your Idle VE table looks very lumpy. When you look at the table graph, your values should have a nice smooth transition without large peaks or valleys.

Remember that the computer is interpolating...

There is a separate idle BLM value for drive and park and also with the A/C on or off. What is your timing look like when the idle surges? Could your closed throttle MAP vs RPM timing table be...