4.8 engine problems?

Discussion in 'GM Powertrain' started by Flashvan, Mar 1, 2009.

  1. Flashvan

    Flashvan New Member GMTC Sponsor

    Hello All,

    I own a 2005 Express 3500 ext. with the 4.8 engine. My truck has 143k miles on it. It runs good, but I just wanted to know if there is any problems that I should be aware of as I put more miles on it? Thanks.

    Joe Flash
  2. 1st Synthetics

    1st Synthetics Epic Member 5+ Years 1000 Posts

    I used to drive that same van, it was a company van. I put 150k on it and never had a problem. I quit the job, so I can't say if anything ever happened with it.
  3. Flashvan

    Flashvan New Member GMTC Sponsor

    Hi Scott,

    Thanks for the response. Maybe I will give that Amsoil a try for my high mileage engine.

    Joe Flash

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