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need help reduce engine power dies instantly

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Old Apr 22, 2011 | 08:13 PM
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Default need help reduce engine power dies instantly

won't start at all unless i erase codes then it starts then dies instantly there are alot of codes but these are the ones that won't go away even after eraseing them p0107 c p0713 h c b0338 h c thanks for any help
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Old Apr 22, 2011 | 08:32 PM
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Originally Posted by everydaydriverz
won't start at all unless i erase codes then it starts then dies instantly there are alot of codes but these are the ones that won't go away even after eraseing them p0107 c p0713 h c b0338 h c thanks for any help
P0107 is for the MAP sensor. I take it this is an "export" C5, based on the P0713.....
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Old Apr 22, 2011 | 08:51 PM
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Ya we figured out it was the map sensor. When we clear the codes the car will start and then it dies instantly cause of fuel cut. We know that cause when we try to restart it, theres no fuel pressure and the car will just crank over but not fire. Obviously a code is being throw instantly when we start the car that is killing the fuel pump
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Old Apr 22, 2011 | 09:10 PM
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Originally Posted by everydaydriverz
Ya we figured out it was the map sensor. When we clear the codes the car will start and then it dies instantly cause of fuel cut. We know that cause when we try to restart it, theres no fuel pressure and the car will just crank over but not fire. Obviously a code is being throw instantly when we start the car that is killing the fuel pump
You can try jumping the fuel pump relay socket, and see if the pump stays running.

Using the pic below, jumper 30 to 87....this will provide 12 volts to the fuel pump continuously.


Last edited by lucky131969; Apr 22, 2011 at 09:14 PM.
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Old Apr 23, 2011 | 10:42 AM
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Originally Posted by lucky131969
You can try jumping the fuel pump relay socket, and see if the pump stays running.

Using the pic below, jumper 30 to 87....this will provide 12 volts to the fuel pump continuously.

tryed this the pump keeps running but the car does not

when it dies the sucurity light keeps flashing its there somthing wrong here maybe is there anyway to bypass this?
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Old Apr 23, 2011 | 11:46 AM
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Post ALL your codes.........not just the ones that "won't go away".....
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Old Apr 23, 2011 | 04:38 PM
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got it going thanks again guys
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Old Apr 23, 2011 | 08:45 PM
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Originally Posted by everydaydriverz
got it going thanks again guys
Thanks for the update on the cause...
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Old May 20, 2011 | 06:26 PM
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Originally Posted by 87SAM
Thanks for the update on the cause...
sorry not real sure just charged the battery and it was fine
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