i need help wit me 1.8 mondeo 2003 petrol as i hold throttle at any one level for 5 seconds or so it shuts down till i push in the clutch or take it out of gear then it resumes ... if i keep driving moving the throttle constantly it dont happen some one that knows a ford inside out can tell me of hand what it is or needs with out going to plug it in at garage please help (FORD GODS)