Curious if this log's MAFRaw value seems erratic. The HZ will jump from 20-175 hz just at idle alone. Most logs I've seen have a much smoother log for their MAFRaw at around 40-50HZ +-10% You can also see in the log that I held 2000 rpm but the MAFRaw value didnt change much at all from idle...

This is the Build Thread for 1990 Talon TSI. Reply below.

As Pauleyman stated, the ground is key for proper IPS function. Fixing my IPS cured my erratic idle.I would first create a ground strap out of wire and ring terminals, and then make sure your IPS is properly adjusted to your throttle stop plate. This requires a 14mm wrench to break the jamnut...