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

checked fuel pressure at rail and got 34 lbs with vacum line attached good or bad?

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Old Jun 13, 2003 | 11:36 PM
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red96z
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From: memphis tennessee usa
checked fuel pressure at rail and got 34 lbs with vacum line attached good or bad?
car runs like crap just trying one thing at a time book calls for 41 to 47 lbs at idle with vaccum line attached so is this a problem so if so were should i start to look thanks.
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Old Jun 14, 2003 | 12:42 AM
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craigffb
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From: Clarksville, TN
That sounds about right with the line on. It's pretty easy to pull it if you want to check it with it off.
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Old Jun 14, 2003 | 04:27 AM
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anaik
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The Helms manual calls for 41-47 with the vacuum line off.
Last edited by anaik; Jun 14, 2003 at 04:49 AM.
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