Joe,
By the sounds of your issue it is fuel related. Too much at sometimes and not enough at others.
1) Mechanically the engine starts correct? It runs and there is no definitive grinding or clunking noises? Rule out mechanical problems. 2) It starts, it runs, so rule out electrical problems.
3) Fuel system. It starts, fuel pump therefore is working. Now we need to know about the pressure. Typically the Fuel Pressure Regulator is going to be your problem. At the same time also replace the in line fuel filter.
These 2 parts are easy enough for you to do at home. Just unplug you battery before starting any work. You do not want to cause any sparks whatsoever while working with fuel. Extra safety measure.
Let us know what happens.
Kenvcr
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Sunday, December 31st, 2006 AT 1:15 PM