ST Escort cosworth overboosting
Hi Guys,
Been having a number of little issues with my Escos and latest one is with boost. On the small turbo the boost pegs at the end of the solid rectangle on the boost gauge until you go full throttle and you get 1.3 bar overboost for 7 seconds. My car was getting some work done recently and today after collection when holding the accelerator about half way the boost just continues to build and goes into the overboost section, it'll actually go into the red if you keep going but i wanted to avoid that. Any ideas what could be causing it to overboot and not stop at the end of the rectangle where it should?
Thanks.
John.