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

Please help won't start.

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Old Jan 30, 2007 | 12:49 PM
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Angel_G_Z28
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Please help won't start.
my 1994 Z28 won't start i replaced the fuel pump yesterday and the damn thing still isn't getting any fuel, will some one please help
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Old Jan 30, 2007 | 12:54 PM
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can you hear the pump prime? did you replace the filter as well?
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Old Jan 30, 2007 | 12:54 PM
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there is a small bleeder valve at the back of the fuel rail. press it and see if you have fuel pressure.
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Old Jan 30, 2007 | 12:56 PM
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no yeah i checked that and no pressure to the fuel rail at all, could it be the relay?
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Old Jan 30, 2007 | 12:57 PM
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and no u don't hear the pump prime,
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Old Jan 30, 2007 | 01:10 PM
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hten something is not right with the pump or a relay or fuse is bad
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Old Jan 30, 2007 | 01:14 PM
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fuel pump is brandnew outta the box
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Old Jan 30, 2007 | 01:28 PM
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did you change the filter? it is an electical device, sometimes you just get a bad one.
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Old Jan 30, 2007 | 01:29 PM
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it is also possible the relay could have been the problem the whole time
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Old Jan 30, 2007 | 05:26 PM
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i'll change the filter and the relay to, but wut if thats not it? could it be a short in the electrical system to the fuel pump?
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Old Jan 30, 2007 | 05:30 PM
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Originally Posted by Angel_G_Z28
i'll change the filter and the relay to, but wut if thats not it? could it be a short in the electrical system to the fuel pump?
The easy way of knowing would be to get a voltmeter and see if the connector to the pump is getting power. That will confirm whether the relay, fuse, or wiring are at fault.
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Old Jan 30, 2007 | 07:53 PM
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yeah my mechanic checked it out he said when i first turned the key there wuz power to the connector but now no juice, so u think it's the relay
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