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  1. #1
    Member
    Join Date
    Apr 2012
    Location
    Oxford, NC
    Posts
    205

    Erratic idle on 250 SHO...

    Recently my 250 SHO has developed an erratic idle. The idle goes from a normal rpm to a very quick increase bump in rpm that only last for a second, then back to normal for a while, and then another increase bump in rpm.
    Has anyone experienced this or know what could be the cause?
    Thanks in advance....

  2. Member
    Join Date
    May 2007
    Location
    Colonial Heights Virginia
    Posts
    5,122
    #2
    Sensor or a vacuum leak.