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engine dieseling ?

Discussion in 'Chevy Trucks' started by karl klein, Oct 11, 2002.

  1. karl klein

    karl klein Senior Member
    Messages: 557

    when i started my 1976 chevy 400 up this year i noticed it will diesel some times when i shut it off. what could be the problem?
  2. John DiMartino

    John DiMartino PlowSite.com Veteran
    Messages: 2,154

    Check the idle speed,if its a little too high,it will diesel,.Also timing and engine temp will affect it,as will fuel quality.