idle

  1. #1
    hi

    iv got a saxo vtr its palying up meaning the revs r going up and down
    iv repalced stepper motor,coolant temp sensor,petoimeter sensor.
    the car runs ok after 40mph but when slowing down it judders abit
    also my breather pipe has snapped and brake vaccum pipe bung has got a hole in it would this cause the revs up and down and juddering

    please someone help
  2. #2
    yer if air is geting into the system where it should not be then it wil not be rite.