1996 Pontiac Grand Prix continious from last question

1996 PONTIAC GRAND PRIX
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LILANGEL23
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1996 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic

My car when it's driven sometimes acts like it's going to stall when my RPM's are around 2000-2500. It does this every so often and when the fuel pressure was checked it drops after some time in idol and with the RPM's up. The fuel pump and fuel filter are about a month or 2 old.

When the FRP was checked there was no fuel present.

Would the MAP Sensor be causing this problem or would it be the fuel pump relay thats causing this?
Feb 22, 2009 at 11:38 AM
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OBXAUTOMEDIC
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Hello,

Please post this in your original post.
Feb 22, 2009 at 11:52 AM