REALLY need help asap plz misfiring under boost Hi all finished fitting my new engine and refitting the dasc and every thing . first time i started her up she was fine rev'd fine with no problems at all . after 10 mins of letting her run she started missfiring under boost . soon as it hits 1psi it starts missfiring i really need help with this as my car is booked in to have tuning finished tomorrow . if any one has any ideas or know what it could be please let me know asap thanks |