LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

tested fuel pressure today and....

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Old Apr 28, 2004 | 05:28 PM
  #1  
LT1 PWRD's Avatar
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From: OSHAWA
tested fuel pressure today and....

0

hooked it up to the test valve, turned the key, didn't hear the fuel pump prime so I bypassed everything and taped onto the connector under the hood to test the pump and still 0 pressure.

So am I correct by thinking that the only scenarios left are wiring problems to the pump or faulty pump?

I'll order a new pump tomorrow anyways. The car's getting old!

Thanks
Old Apr 28, 2004 | 05:31 PM
  #2  
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From: Statesville NC
if you jumped hot to the prime connector and still nothing then yes. you either have a faulty pump or wireing to it. you try beating on the bottom of the tank?
Old Apr 28, 2004 | 05:38 PM
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From: OSHAWA
That's exactly what I did,

Thanks for that link you gave me the other day.

I've heard of hitting the tank, it sometimes works but I haven't tried that yet.

Last thing left is to cutout an access panel in the trunk and test for voltage at the pump.

Is there wiring that's right before the tank tha's accessible to check for voltage without cutting that panel? Prefferably as close as possible to the tank?

Thanks
Old Apr 28, 2004 | 05:55 PM
  #4  
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I belive if you look under the car you will see where the connetor is and can test it there. it's going to be either a grey or red wire depending on your year. jump power to the prime connector and test for volage on that wire under the car. you should also check the ground but a bad pump is more like what the problem will be
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