Unusual fast idle condition

[XfireZ51]

Originally Posted by gbmidyear66

I had the sticking throttle plate problem (secondary) and had Marc rebuild the TB for me (works great now). I notice he adds an extra return spring during his rebuild

Yes that's what we did to mine as well. Marc said the return spring gets weaker and he adds a small one to help w the closing. Mine works fine now and frankly I like the additional resistance. There's a more direct proportional feel to the pedal.