93 GRAND CARAVAN RUNS POORLY WHEN FUEL TANK BELOW QUARTER FULL.....

Discussion in 'General Motoring' started by septicman, Sep 29, 2006.

  1. septicman

    septicman Guest

    It has the 3.0 with automatic, seems to run just fine above 1/4 full
    fuel tank, but sputters below that. Fuel filter was recently replaced,
    lots of bottles of isopropyl alcohol too. Got 28 MPG on a recent 400
    mile excursion. Any ideas? Thanks.
     
    septicman, Sep 29, 2006
    #1
  2. septicman

    NewMan Guest

    Fuel Pump??
     
    NewMan, Sep 29, 2006
    #2
  3. septicman

    SBlackfoot Guest

    How'd you manage that? I get around 18 mixed city/hwy in my '93 3.0L. I am
    hauling around a wheelchair ramp setup at all times though.
     
    SBlackfoot, Sep 30, 2006
    #3
  4. septicman

    NewMan Guest

    When I had a 94 GC with 3.3 litre, I was getting about 20 MPG city,
    and 27 MPG highway. Engine was impecably maintained, and trans had
    been rebuilt.

    City driving was unloaded, and highway was frequently full of camping
    gear to the roof. :)

    That was a great van.

    The jury is still out on my 2002 GC. I have to go through a couple of
    tanks of gas before I can compute a fair avarage MPG after the
    firmware flashes.
     
    NewMan, Sep 30, 2006
    #4
  5. septicman

    philthy Guest

    do a fuel pressure test with the tank half full and then with a 1/8 tank and
    see what you get
    a 3 lb drop from spec means dropping the tank to inspect hoses and such for
    the pump
     
    philthy, Oct 1, 2006
    #5
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