Check timing like this
And keep in mind the pickup is directional. Flip the pickup test the timing both ways. One of the ways will have you center the CAS- almost center. The other way will have you adjust the CAS way out of center. The center is correct. The CAS should be nearly center when the timing light pickup is correct directional. Make sure you connect how I have it shown. hopefully the pic shows up
disconnect the TPS to put it into timing mode. Rev the engine a little bit to make sure the timing stays steady in timing mode near idle speeds.
Set timing to 15*btdc around ECU idle speed, maybe 800rpm or something, I forgot. Just make sure its the idle speed correctly, timing steady.