Dam This Focus

[tom letman]

my wife's focus 1.6 zetec 2006 petrol car, the revs keep jumping to sometimes over 2k, then sharply drop down to almost stalling, and some times it does actually stall. reading other forums i thought it might be the idle sensor, but when your driving at a constant speed, you can feel the car juddering, would that sensor do that too??? if it is that, do i need a new sensor, or would it other one just need removing and cleaning?

Cheers in advance for any advice

tom

[insider]

Could be the throttle position sensor.

Probably best to get the fault codes read which should point you in the right direction.

[tom letman]

Could be the throttle position sensor.

Probably best to get the fault codes read which should point you in the right direction.

Thats a problem, there are no codes as the light doesn't come on, i kept taking it back to the garage, they wouldn't do anything as there were no codes

[turk90210]

reading your post my 1st thought is an idle speed controll valve sticking which a good clean might cure, or the throttle body or even an air/vacuum pipe that has become dislodged but hey I've just finished work fixing cars and even saved a young lady that found a Snake on the stairs to her flat. Its true you cant make it up if you tried,her face said it all really. Would have like to have seen the guys face in the flat that the snake snuck into but his voice said it all when we knocked him up though. just imagine walking to your front door only to be greeted by a 18-24 inch snake, "priceless"

sorry gone off topic

try the idle speed control valve give a good clean with carb cleaner or brake cleaner or if it is part of the throttle body give that a good clead patic where the throttle butterfly returns too