car runs for a couple seconds and dies

1999 CHEVROLET LUMINA
2,807,387 MILES • 3.1L • 6 CYL • FWD • AUTOMATIC
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CADDY TAYLOR
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The car turns over but wont run. If i keep trying to start it eventually it will run but only runs for a second then it dies. I replaced fuel pump and fuel filter, new crankshaft sensor, put new plugs and wires along with a new coils and (ICM), (TPS), (MAS), (IAC). After all that the car still hard to start is there something i am missing? Could it be the low oil sensor on the bottom of the oil pan?
Nov 2, 2016 at 10:53 AM
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SATURNTECH9
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Is your security light on with the key in the run position? Also does it ever start and run? Have you checked for codes in the computer yet?
Nov 2, 2016 at 12:52 PM
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CADDY TAYLOR
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Saturntech9, no, there is no security light on. It tries to after about ten to twenty minutes it will finally try to star,t but it acts like it being choked and it does the same with gas or starting fluid to. No i have not yet because to i live in the country.
Nov 2, 2016 at 2:27 PM
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SATURNTECH9
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If you hold the gas pedal all the way to the floor while trying to start it will it start?
Nov 2, 2016 at 6:40 PM
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CADDY TAYLOR
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Yes, if i hold the gas pedal all the way it will run but soon i let off it dies. If i keep the pedal push down when it running it bog down like it cannot breath and chokes its self.
Nov 4, 2016 at 5:43 AM
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SATURNTECH9
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Have you checked the coolant temperature sensor yet?
Nov 4, 2016 at 6:28 AM
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CADDY TAYLOR
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Yes it new to. all sensor are new on the motor
Nov 6, 2016 at 9:32 AM
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SATURNTECH9
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Have you checked to see if any of the spark plugs are black or fuel fouling out after tryingying to start?Also have you checked the actual fuel pressure and checked to see if the fuel filter is clogged up?
Nov 6, 2016 at 9:40 AM