View Single Post
  #8  
Old 11-25-2020, 02:01 PM
Frank Reiner Frank Reiner is offline
Registered User
 
Join Date: Feb 2011
Location: Modesto CA
Posts: 4,394
Quote:
Originally Posted by maranelloboy05 View Post
Chasing this issue for 2 years now with my 190e. When the car is in closed loop and the ambient temp is low-70s and below the car will randomly stall when braking. Honestly it does not happen mid-70s and above which is super weird to me and makes it really hard to track down, can only test in the fall and winter. I can't really reproduce it either, just completely random.

Anyone have any ideas, IACV has been replaced?
Quote:
Originally Posted by maranelloboy05 View Post
I haven't had a chance to do a smoke test yet, but I had another stall today which is an oddity. Backing into the garage, using the brake to regulate speed annnnnd stall. Would a vacuum leak still be a likely candidate here?
Consider an investigation of the vacuum line to the brake booster, the check valve in that line, and the control valve in the booster.
Reply With Quote