987 v 986 Air box

[Robert986]

Originally Posted by hotdawwgman

So I was able to add the 987 Airbox, 987 MAF Tube, 997 Throttle Body, and T-Plenum in. All parts were slightly used, but looked decent. Fired her up. Drove her around for a tad, and now I have 3 codes. P1119, p1126, & p1133. I need a tune which should happen this week. Is it possible I need a new Throttle position sensor? Or should I try to do the throttle relearn procedure first?

You don't need a new throttle position sensor, what you need is a tune with a updated MAF-table to reflect the larger MAF tube area.