2001 Oldsmobile Alero

Electrical problem
2001 Oldsmobile Alero 4 cyl Front Wheel Drive Automatic 46,000 miles

When I get into the car I turn the ignition switch to the on position and cannot hear the fuel pump turn on, then try to start the car and it cranks but wont run. Then I turn the key off and on again and I can hear the fuel pump kick on then I crank it and it starts and runs, but then somtimes as I am driving down the road at 50 mph it just stops running I pull over and put it into neutral and somtimes it starts and somtimes it doesnt. I have replaced the fuel Pump Relay. Any Wisdom. Thank You
February 16, 2008.

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