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1990 Gmc Suburban fuel pressure problem

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by ishkish, Jul 23, 2013.

  1. ishkish

    ishkish New Member

    Hey all:
    new to the blog. Cannot get the pressure up on the 220 tb. replaced the diaphragm
    and am going to place an in line pressure gauge to read the pressure.
    It is running very lean and will stall and has almost no power. Barely moves in the
    driveway.

    Replaced the tank due to crack around filler neck, pump, injectors.
    Any one place an external regulator on these units?
    Or is the pressure regulator diaphragm spring a candidate for replacement if they
    are available?

    Jerry in NJ- pulling out my fingernails. LOL
     

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