What makes a Ford Focus accelerate by itself?
What makes a Ford Focus accelerate by itself? Noticed a couple of weeks ago that my focus was gently accelerating by itself. Putting the clutch in caused revs to go to 4000rpm for 5 secs then all was OK. Why does my Ford Focus have high rev? The ECU doesn't get the message that the throttle is shut and leaves the idle control valve in the drive position - full open. It can be the throttle position sensor; but is more often a cabling or software issue. 2000-w 1.8 zetec - High rev problem. What's the problem with my Ford...