2000 escalade dose not respond !!loooook!!

my 2000 escalade dies down when i give it gas, badly it wont respond. Its had a tune up plugs, cap and rotor,fule filter and air filter.can you guys help?yesterday 6-30-06 is when it got really bad.if i give it too much gas it wants to turn off. THANKS.

I had the same problem...I kept getting the run-around and buying everything to fix the problem.. I notice your add was posted a while back...hopefully you have discovered that it is a "fuel Pump" problem. You
need to replace the sending unit probably or perhaps the whole unit.