Thinking about buying this Suburban, I have a question

Discussion in 'GM Powertrain' started by morr2010, Apr 24, 2009.

  1. morr2010

    morr2010 New Member

    Hey guys, i think i might be buying a1997 Chevy Suburban with 181k miles 5.7 next week if the guy still has it. He has replaced the fuel pump and the fuel filter, and it wont still stay running. Do you think it can be a alternator?
  2. Jacqson

    Jacqson Rockstar 100 Posts

    It sounds like a problem in the fuel system. It might be something in the TBI. I doubt the Alternator has anything to do with it.
  3. gpeterson1968

    gpeterson1968 New Member

    If it where the alternator I would think the battery would be dead and it wouldn't turn over. My experience with a failing or failed alternator is that if the battery had enough power to start the engine it would stay running for a little while.
    Last edited: Apr 27, 2009
  4. MrShorty

    MrShorty Epic Member 5+ Years 1000 Posts

    I would 2nd checking fuel delivery. Best first place to start would probably be to put a fuel pressure gauge on it.

    I might also put a scanner on it and see if there are any trouble codes that might help.

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