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Discussion in 'Ford Trucks' started by phillyplowking1, Sep 25, 2003.

  1. phillyplowking1

    phillyplowking1 Senior Member
    Messages: 412

    I noticed today that my 94 f350 with the turbo 7.3IdI is smoking gray smoke real bad.Can this be something with the turbo or what ?
  2. wyldman

    wyldman Member
    Messages: 3,265

    If it was the turbo bearing or seal going you'd get blue smoke.

    Grey smoke is most likely unburnt fuel.Could be a bad injector,pump,pump timing,etc.

    Your sure it's not white ?
  3. cat320

    cat320 2000 Club Member
    Messages: 2,222

    My truck was just like that blowing alot of smoke and lacking power at time wanted to stall.They said it was the idu module.