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

car sputters and dies

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Old Nov 18, 2011 | 08:32 AM
  #1  
nintythreeZ28's Avatar
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From: foristell MO
Exclamation car sputters and dies

this is the second time in about a week i was coming home and suddenly when i hit the gas my car chokes out, if i let off it just idles rough, but will eventually die out. it starts righht back up and im on my way but i know my car isnt randomly suppose to die... what is goin on here. after the first time i replaced the coil to a msd coil... thats not it. suggestions? want my car to stay running when driving!!!
Old Nov 19, 2011 | 05:40 AM
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Re: car sputters and dies

Fuel pump is dying? Monitor fuel pressure while driving with a fuel pressure gauge taped to the windshield.
Old Nov 21, 2011 | 01:46 PM
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From: foristell MO
Re: car sputters and dies

yes i did but no while driving its at 42 psi with the motor off and key on. fuel filter is 5k miles new... computer going bad???
Old Nov 21, 2011 | 05:19 PM
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Re: car sputters and dies

You don't drive it with KOEO. So that means nothing.
Old Nov 23, 2011 | 11:51 AM
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Re: car sputters and dies

KOEO?? huh?
Old Nov 23, 2011 | 02:39 PM
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Re: car sputters and dies

Originally Posted by nintythreeZ28
KOEO?? huh?
He means key on engine off.

The point is seeing what the pressure is like with the engine under load instead of under a no load situation. A stressed pump will show a drop in pressure under load conditions
Old Nov 27, 2011 | 09:13 AM
  #7  
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Re: car sputters and dies

well replaced fuel filter, hasnt happeed latly, coincedence? we will see.
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