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idle adjustment

  1. P

    How to adjust idle speed Ford 7.8l Brazilian

    I have a 1991 ford F800 with the 7.8l engine and its barely idling at 500 rpm. Ive never had to adjust an idle speed before so i dont exactly know how to do it. I heard you can adjust some screws in the injection pump somehow, but I was wondering if it could be adjusted another (easier) way. I'm...
    • Problems
    • Thread
    • f800 ford idle adjustment
    • Replies: 9
    • Forum: Trucks
  2. S

    590 SM Low high idle

    Once again im back to the play that ive come to get good help and respected answers .The issue im have is on my 590 SM 2002 model is i can only get about 1500-1700 rpm out of it according to the tach ive looked fro the adjustment but have not seen anything (probably because im not looking in the...
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