Question about 1996 Geo Prizm

2 Answers

Car won't start

After traveling on major highway at 70 mph without any trouble, turned off side road for 2 miles when car puttered as if running out of gas and engine turned off. We rolled to a stop, tried to restart. There is 3/4 tank of gas in car. Engine turns but won't start. It's not the battery, tried new battery and still car won't start. There is some kind of churning noise from below the driver's seat. I'm single mom, on a budget, of course. Luckily, have 3 male relatives that can help me, if I can find the trouble, buy the part, etc.

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  • yahabah Nov 04, 2008

    I will try with changing fuel filter first, if I can find out where it is. Then if that doesn't work, will change fuel pump. I will accept this solution tomorrow, if it works or ask for other experts. THANK YOU !

  • yahabah Nov 05, 2008

    There was another person that suggested it was the fuel pump. He was right. We put the pump in and it started. We put in new fuel filter just in case. Thank you very much.

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  • Master
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If you have noise from the under the seat then its the problem with fuel pump .Since the fuel pump is concealed within the tank, it is difficult to test directly at the pump. It is possible to test the pump from under the hood, listening for pump function and feeling the fuel delivery lines for the build-up of pressure.

  1. Turn the ignition switch ON, but do not start the motor.
  2. Using a jumper wire, short both terminals of the fuel pump check connector. The check connector is located under the hood near the wiper motor. Connect the terminals labeled FP and +B.
Car won't start - 0900c15280048000.jpgFig. 6: Checking the electric fuel pump at the check connector
  1. Check that there is pressure in the hose running to the delivery pipe. You should hear fuel pressure noise and possibly hear the pump at the rear of the car.
  2. Remove the jumper wire.
  3. Turn the ignition to OFF. If the fuel pump failed to function, it may indicate a faulty pump, but before removing the tank and pump, check the following items within the pump system:
    1. the fusible link
    2. fuses (EFI/15 amp and IGN/7.5 amp)
    3. fuel injection main relay
    4. fuel pump circuit opening relay
    5. all wiring connections and grounds.

    6. 40fe27f.jpg
    7. if you want the fuel pump removal then please let me know ....

    Good luck....

Posted on Nov 04, 2008

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  • Geo Master
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Check if there is fuel getting to teh engine, if there is no fuel it can be a faulty fuel pump.

Start having the fuel filter replaced and the fuel lines checked.

Posted on Nov 04, 2008

  • Ginko
    Ginko Nov 04, 2008

    You are welcome, let us know the outcome tomorrow.

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