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Hard to start when parked uphill??????

Discussion in '1982-Present GM Diesel' started by 6.2Blazer, Nov 6, 2003.

  1. 6.2Blazer

    6.2Blazer 1/2 ton status

    Feb 24, 2000
    Likes Received:
    Okay, I need a little help figuring this one out. My '90 with the 6.2 became really hard to start this last spring when it sat for more than a few hours. The problem was traced to a weak fuel lift pump and it was replaced and the hard starting problem went away.......except for when the truck is parked uphill (such as my driveway). I usually back it into my driveway (facing downhill) and I haven't had any starting issues, even when it's sat for a week or more. The other day I just pulled it in forward and after sitting for a few days it took a LOT of cranking before it finally fired. After thinking about this spring and the issue, it seems as if I did have more problems when parked uphill but didn't realize it at the time because it was still pretty hard to get started when sitting level or downhill.
  2. DieselDan

    DieselDan 1/2 ton status

    Jan 27, 2001
    Likes Received:
    Air leak in fuel lines/filter... /forums/images/graemlins/wink.gif

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