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Code 44?

Discussion in 'The Garage' started by Hossbaby50, Sep 9, 2004.

  1. Hossbaby50

    Hossbaby50 3/4 ton status

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    I am having an intermitent Code 44 with my TPI system. What should I be looking for as the problem. Book says it is lean 02 reading. What can cause this? It comes on for awhile and then will shut off. Thanks

    Harley
     
  2. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    I had the same type of code on my truck a few years ago. Changed the sensor, all was good.
     
  3. Hossbaby50

    Hossbaby50 3/4 ton status

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    That is what I was thinking. I was going to do it anyway because my sensor is a little old.

    Harley
     
  4. 88Silverado

    88Silverado 1/2 ton status

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    On my 88 when I was getting a Lean condition it was caused by a plugged fuel filter. It couldnt provide enough fuel at highway speed thus it was going lean.
     
  5. darkshadow

    darkshadow 1 ton status

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    mine is/was doing it at hard acseleraation which made me think of the same thing got the o2 sensor in the rig gotta do that today and the filter. /forums/images/graemlins/doah.gif
     
  6. dyeager535

    dyeager535 1 ton status Premium Member

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    If I'm not mistaken, O2 is ignored at WOT, not sure why you'd throw a lean code with it at WOT unless TPS was jacked up. /forums/images/graemlins/confused.gif
     

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