Question about 2003 Pontiac Grand Am

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Well i think it could be my fuel pump the car starts only sometimes i had the fuel pump replaced twice an i keep having the same problem i was just a little curious about the size of my engine i dont know if it is a 3.4 or 2.2 my fuel pump was for a 2.2 could i have got the wrong size fuel pump for my type of engine please help thanks

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  • Master
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Raise the hood on your car, and look at the manufacturers engine decal, this will tell you what size of engine that you have, then you can compare the information about the fuel pump that you had put in, this way , it will tell you if the pump is right for your car.

Posted on May 26, 2011

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  • Pontiac Master
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WELL YOU COULD HAVE WRONG FUEL PUMP.THE 2.4L 41 - 47 PSI AND THE 2.2L ENGINE HAS 50 - 60 PSI. THE 3.4L ENGINE HAS 41- 47 PSI. LOOK UNDER THE HOOD ON TOP OF ENGINE.YOUR ENGINE COVER WILL TELL YOU IF YOU HAVE 3100 3.1 ENGINE OR 2.4 OR 2.2 ENGINE.LOOK ON TOP OF ENGINE COVER THAT WILL GIVE YOU WHAT ENGINE SIZE YOU HAVE.

Posted on May 26, 2011

  • Jonah Oneal May 26, 2011

    IF YOU HAVE THE RIGHT FUEL PUMP.YOU NEED TO REPLACE FUEL FILTER AND FUEL PUMP RELAY.SEE WHAT HAPPENS.YOUR FUEL PUMP WIRING COULD BE FAULTY.

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